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75050 - Statement - Condensed Consolidated Statements of Stockholders' Equity
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75070 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)
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995455 - Disclosure - Organization and Description of Business
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995465 - Disclosure - Basis of Presentation, Consolidation and Summary of Significant Accounting Policies
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995475 - Disclosure - Revenue
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995485 - Disclosure - Acquisitions
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995505 - Disclosure - Investments
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995515 - Disclosure - Notes Receivable
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995525 - Disclosure - Fair Value Measurement
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995535 - Disclosure - Prepaid Expenses and Other Current Assets
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995545 - Disclosure - Property and Equipment
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995555 - Disclosure - Intangible Assets, Goodwill, and Digital Assets
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995565 - Disclosure - Accrued Liabilities
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995575 - Disclosure - Leases
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995585 - Disclosure - Debt
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995605 - Disclosure - Stock-Based Compensation
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995615 - Disclosure - Income Taxes
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995625 - Disclosure - Net Loss Per Share
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995635 - Disclosure - Commitments and Contingencies
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995645 - Disclosure - License Agreements
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995655 - Disclosure - Related Party Transactions
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995665 - Disclosure - Government Grant
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995685 - Disclosure - Corporate Restructuring
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995695 - Disclosure - Segment Reporting
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995705 - Disclosure - Subsequent Events
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995715 - Disclosure - Basis of Presentation, Consolidation and Summary of Significant Accounting Policies (Policies)
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995725 - Disclosure - Basis of Presentation, Consolidation and Summary of Significant Accounting Policies (Tables)
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995735 - Disclosure - Acquisitions (Tables)
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995745 - Disclosure - Variable Interest Entities (Tables)
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995755 - Disclosure - Investments (Tables)
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995765 - Disclosure - Fair Value Measurement (Tables)
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995775 - Disclosure - Prepaid Expenses and Other Current Assets (Tables)
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995795 - Disclosure - Intangible Assets, Goodwill, and Digital Assets (Tables)
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995885 - Disclosure - Organization and Description of Business - Additional Information (Detail)
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995895 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail)
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995905 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of fair value of our available-for-sale debt securities portfolio (Details)
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995915 - Disclosure - Revenue (Additional Information) (Details)
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995925 - Disclosure - Acquisitions - Schedule of preliminary allocation of the IGX purchase price to the estimated fair value of the net assets acquired at the acquisition date (Details)
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995935 - Disclosure - Acquisitions - Additional Information (Detail)
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995945 - Disclosure - Acquisitions - Schedule of fair values of consideration paid (Details)
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995955 - Disclosure - Acquisitions - Schedule of fair values of consideration paid (Parenthetical) (Details)
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995965 - Disclosure - Acquisitions - Schedule of Fair values of consideration paid, Black-Scholes Option (Parenthetical) (Details)
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995975 - Disclosure - Acquisitions - Summary of identifiable assets and liabilities recognized (Details)
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995985 - Disclosure - Variable Interest Entities - Additional information (Detail)
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995995 - Disclosure - Variable Interest Entities - Summary of Primary Beneficiary for VIEs Consolidated Under the VIE Model (Detail)
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996005 - Disclosure - Variable Interest Entities - Summary of the Assets and Liabilities for all Consolidated VIEs (Detail)
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996015 - Disclosure - Variable Interest Entities - Schedule of Non Controlling Interest Recognized to Its Consolidated VIEs Roll Forward (Detail)
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996025 - Disclosure - Variable Interest Entities - Schedule of Roll Forward of the Redeemable Noncontrolling Interests Balance (Detail)
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996035 - Disclosure - Investments - Summary of Equity Method Investments (Detail)
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996045 - Disclosure - Investments - Schedule of Other Investments Held at Fair Value (Details)
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996055 - Disclosure - Investments - Summary of Equity Method Investments and Other Investments (Detail)
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996065 - Disclosure - Investments - Summary of financial data for investments (Detail)
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996075 - Disclosure - Investments - Summary of Statements of operations (Detail)
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996085 - Disclosure - Investments - COMPASS Pathways plc (Additional Information) (Details)
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996095 - Disclosure - Investments - (Additional Information) (Details)
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996105 - Disclosure - Notes Receivable - Additional Information (Detail)
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996115 - Disclosure - Fair Value Measurement - Summary of Fair Value Measurement on Recurring Basis (Detail)
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996125 - Disclosure - Fair Value Measurement - Summary of fair value of the Beckley Additional Warrants (Details)
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996135 - Disclosure - Fair Value Measurement - Summary of Fair Value Measurement Inputs and Valuation Techniques (Detail)
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996145 - Disclosure - Fair Value Measurement - Summary of Fair Value Measurement on Recurring Basis, Unobservable Input Reconciliation (Detail)
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996155 - Disclosure - Fair Value Measurement - Additional Information (Detail)
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996165 - Disclosure - Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Detail)
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996175 - Disclosure - Property and Equipment - Schedule of Property and Equipment (Details)
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996185 - Disclosure - Property and Equipment (Additional Information) (Details)
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996195 - Disclosure - Intangible Assets, Goodwill, and Digital Assets - Intangible Assets Consisted (Details)
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996205 - Disclosure - Intangible Assets, Goodwill, and Digital Assets - Estimated Future Amortization Expense (Details)
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996215 - Disclosure - Intangible Assets, Goodwill, and Digital Assets - Company's digital assets (Details)
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996225 - Disclosure - Intangible Assets, Goodwill, and Digital Assets (Additional Information) (Details)
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996225 - Disclosure - Intangible Assets, Goodwill, and Digital Assets (Additional Information) (Details) [Default]
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996235 - Disclosure - Accrued Liabilities - Summary of Accrued Liabilities (Detail)
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996245 - Disclosure - Leases (Additional Information) (Details)
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996255 - Disclosure - Leases - Schedule of operating leases assets and liabilities lessee (Details)
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996265 - Disclosure - Leases - Components of expenses related to leases is recorded on a straight-line basis over the lease term (Details)
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996265 - Disclosure - Leases - Components of expenses related to leases is recorded on a straight-line basis over the lease term (Details) [Default]
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996275 - Disclosure - Leases - Schedule of future minimum commitments maturity operating leases (Details)
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996285 - Disclosure - Leases - Schedule of future minimum commitments maturity operating leases (Details) 2
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996295 - Disclosure - Leases - Schedule of supplemental cash flow information related to operating leases (Details)
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996305 - Disclosure - Debt - Summary of Convertible Promissory Notes (Detail)
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996315 - Disclosure - Debt - Additional Information (Detail)
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996325 - Disclosure - Debt - Summary of Grant Date Fair Value (Details)
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996335 - Disclosure - Debt - Schedule of Outstanding debt obligations (Details)
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996345 - Disclosure - Stockholders' Equity - Additional Information (Detail)
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996355 - Disclosure - Stock-Based Compensation - Additional Information (Detail)
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996365 - Disclosure - Stock-Based Compensation - Summary of Share Based Payment Arrangement Option Activity (Detail)
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996375 - Disclosure - Stock-Based Compensation - Summery of Vested and Non vested Option Outstanding (Parenthetical) (Details)
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996385 - Disclosure - Stock-Based Compensation - Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions (Detail)
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996395 - Disclosure - Stock-Based Compensation - Summary of Share-Based Compensation Arrangements by Share-based Payment Award (Detail)
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996405 - Disclosure - Stock-Based Compensation - Summary of Restricted Common Stock Awards Activity (Detail)
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996415 - Disclosure - Stock-Based Compensation - Summary of Employee Stock Ownership Plan (ESOP) Disclosures (Detail)
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996425 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Awards (Details)
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996425 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Awards (Details) [Default]
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996435 - Disclosure - Income Taxes - Additional Information (Detail)
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996445 - Disclosure - Net Loss Per Share - Summary of Basic and Diluted Net Loss Per Share (Detail)
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996455 - Disclosure - Net Loss Per Share - Schedule of Computation of Diluted net Income (Loss) Per Share Attributable to Common Shareholders (Detail)
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996465 - Disclosure - Net Loss Per Share - Additional Information (Detail)
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996475 - Disclosure - License Agreements - Additional Information (Detail)
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996485 - Disclosure - Related Party Transactions - Additional Information (Detail)
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996485 - Disclosure - Related Party Transactions - Additional Information (Detail) [Default]
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996495 - Disclosure - Government Grant (Additional Information) (Details)
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996495 - Disclosure - Government Grant (Additional Information) (Details) [Default]
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996505 - Disclosure - Defined Contribution Plan (Additional Information) (Details)
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996515 - Disclosure - Corporate Restructuring (Additional Information) (Details)
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996515 - Disclosure - Corporate Restructuring (Additional Information) (Details) [Default]
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996525 - Disclosure - Corporate Restructuring - Schedule Of Reconciliation Of The Cash Restructuring Charges And Related Payments (Details)
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996535 - Disclosure - Segment Reporting - Schedule of Reportable Segment Net Loss (Details)
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996545 - Disclosure - Segment Reporting (Additional Information) (Details)
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996555 - Disclosure - Subsequent Events (Additional Information) (Details)
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Related Party Transaction [Table]
Series Stock [Member]
Series C Stock [Member]
Series C Stock [Member]
Digital Assets [Member]
Digital Assets [Member]
Digital Assets [Member]
Long term restricted cash for other investments
Restricted Cash Equivalent, Noncurrent
Short term restricted cash for other investments
Atai HSOP.
Atai HSOP [Member]
Atai HSOP [Member]
Basis of Presentation, Consolidation and Summary of Significant Accounting Policies
Basis of Presentation and Significant Accounting Policies [Text Block]
Scenario [Axis]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Embedded Derivative, Fair Value of Embedded Derivative Liability
Fair value of derivative liabilities
Australia
Australian Taxation Office [Member]
Corporate Restructuring
Restructuring and Related Activities Disclosure [Text Block]
Debt Conversion, Name [Domain]
Market-Based Conditions [Member]
Market-Based Conditions [Member]
Market-Based Conditions [Member]
Schedule of Accrued Liabilities [Table Text Block]
Summary of Accrued Liabilities
Preferred Stock, Shares Issued
Preferred Stock, Shares Issued
Preferred Stock, Shares Issued, Total
License agreements.
License Agreements [Line Items]
Debt Disclosure [Text Block]
Debt
Measurement Input, Share Price [Member]
Present value of lease liabilities
Operating Lease, Liability
Present value of lease liabilities
Present value of lease liabilities
Redeemable Noncontrolling Interest [Table Text Block]
Schedule of Roll Forward of the Redeemable Noncontrolling Interests Balance
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Unrecognized stock based compensation compensation
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Foreign Currency Translation Adjustments
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Foreign Currency Translation Adjustments
Foreign currency transaction adjustments
Additional Term Loan And March Term Loan [Member]
Additional Term Loan And March Term Loan Member
Share Based Arrangements To Obtain Goods And Services.
Share Based Arrangements To Obtain Goods And Services [Line Items]
Over-Allotment Option [Member]
Over-Allotment Option [Member]
Line of credit
Long-Term Line of Credit
Long-term Line of Credit, Total
Psilera Acquisition [Member]
Psilera Acquisition [Member]
Psilera Acquisition [Member]
United Kingdom
His Majesty's Revenue and Customs (HMRC) [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings
Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings, Total
Loss on change in fair value of assets and liabilities
Minimum licensing transaction for debt conversion.
Minimum Licensing Transaction for Debt Conversion
Minimum licensing transaction for debt conversion
Cash paid for asset acquisition
Cash paid for asset acquisition
Cash paid for asset acquisition
Employee Stock Ownership Plan (ESOP), Gain (Loss) on Transactions in Deferred Shares
Gain on Deferred Shares
Dividends, Cash
Dividends, Cash, Total
Alternative Investment, Measurement Input
Alternative Investment, Measurement Input Including Discount for Lack of Marketability
W Fraction [Member].
W Fraction [Member]
W Fraction [Member]
Debt Instrument, Basis Spread on Variable Rate
Loans receivable, Fixed interest rate
Commitments and Contingencies (Note 19)
Commitments and contingencies (Note 20)
Weighted Average Number of Shares Outstanding, Diluted, Total
Weighted Average Number of Shares Outstanding, Diluted
Weighted average common stock outstanding attributable to AtaiBeckley Inc. stockholders - diluted
Weighted average shares of common stock outstanding attributable to AtaiBeckley Inc. stockholders - diluted
Issuance of shares upon exercise of stock options, value
APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Stock-based compensation expense
Innoplexus SPA [Member]
Innoplexus SPA.
Innoplexus SPA [Member]
Other Investments
Other Investments, Total
Other Investments
Minimum [Member]
Minimum [Member]
Minimum [Member]
Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Exercise Price.
Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Exercise Price
Weighted- Average Exercise Price,Granted
Shedule Of Equity Method Investment Summarized Statement Of Operations.
Shedule Of Equity Method Investment Summarized Statement Of Operations [Line Items]
Borrowing Amount Percentage
Borrowing amount percentage
Borrowing Amount Percentage
Loss from change in fair value of the derivative liability
Embedded Derivative, Loss on Embedded Derivative
Investment measured at fair value using fair value option.
Investment Measured At Fair Value Using Fair Value Option
Investment measured at fair value as per fair value option
Preferred Stock, Shares Outstanding
Preferred Stock, Shares Outstanding
Preferred Stock, Shares Outstanding, Ending Balance
Preferred Stock, Shares Outstanding, Beginning Balance
Investment, Name [Axis]
Notes Receivable [Line Items]
Notes Receivable Line Items
Fair Value, Recurring [Member]
Fair Value, Recurring [Member]
Condition.
Condition [Domain]
Agreement.
Agreement [Domain]
Eleusis Holdings Limited [Member]
Eleusis Holdings Limited
Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]
Summary of identifiable Assets and Liabilities Recognized
Noncontrolling Interests
Noncontrolling Interests [Policy Text Block]
Noncontrolling Interests.
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Share based payment arrangements, Award vesting rights percentage
Agreements [Axis}
Agreements [Axis}
Common Stock, Shares, Issued, Total
Common Stock, Shares, Issued
Common stock, shares, issued
Common stock, shares, issued
Segment Reporting [Line Items]
Business Combination, Contingent Consideration, Liability, Total
Business Combination, Contingent Consideration, Liability
Fair value of the contingent milestone and royalty liabilities
Change in fair value of contingent consideration liability
Debt Instrument, Face Amount
Convertible promissory notes issued
Principal amount
Total income tax provision:
Total income tax provision:
Total income tax expense:
Income Tax Expense (Benefit)
Provision for income taxes
Provision for income taxes
Benefit from (provision for) income taxes
Reported value of atai's previously held interest in Beckley Psytech (6)
Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Fair Value
Royalty Liabilities [Member]
Royalty Liabilities [Member]
Prime rate percent
Prime Rate Percent
Prime Rate Percent
Columbia stock purchase agreement [Member]
Subsidiary Shares in Connection with the Columbia Stock Purchase Agreement [Member]
Subsidiary Shares in Connection with the Columbia Stock Purchase Agreement.
Rizafilm LLC License And Supply Agreement [Member]
Rizafilm LLC License And Supply Agreement [Member]
Rizafilm LLC License And Supply Agreement [Member]
Counterparty Name [Domain]
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Notes Receivable
Percentage of the funds to be used for research and development purpose.
Percentage Of The Funds To Be Used For Research And Development Purpose
Percentage of the funds to be used for research and development purpose
Condensed Balance Sheet Statement [Table]
Twenty Twenty Incentive Plan
Twenty Twenty Incentive Plan [Member]
Two Thousand And Twenty Incentive Plan [Member]
Related Party Transaction [Line Items]
Three To Four Year Service Period [Member]
Three To Four Year Service Period [Member]
Three To Four Year Service Period [Member]
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest, Total
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest
Net loss
Contingent Consideration Lability - Related Parties [Member]
Contingent Consideration Lability - Related Parties [Member]
Amortization of Acquisition Costs
Amortization of Acquisition Costs
Conversion of units, debentures, Value
Stock Issued During Period, Value, Conversion of Units
Long-Term Investments and Receivables, Net
Long-Term Investments and Receivables, Net, Total
Class of Financing Receivable [Axis]
PsyProtix [Member]
PsyProtix [Member]
PsyProtix [Member].
Intangible Asset, Finite-Lived, Class [Domain]
Stock Issued During Period, Value, Conversion of Convertible Securities
Conversion of convertible notes to common stock, Value
Income Tax Authority, Name [Axis]
Accrued interest payable
Accrued interest payable
Accrued interest payable, percent
Warrant, Exercise Price, Increase
Warrant exercise price
Pre-funded warrants
Pre-funded warrants [Member]
Pre-funded Warrants
UniQuest, LLC [Member]
Uniquest Llc Member
Subsequent Event Type [Domain]
Receivable Type [Axis]
DemeRx NB Inc [Member]
DemeRx NB Inc.
DemeRx NB Inc [Member]
Non-cash impact of stock-based compensation
Non-cash impact of stock-based compensation
Non Cash Impact Of Stock Based Compensation
Non Cash Impact Of Stock Based Compensation
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Business Combination, Separately Recognized Transactions, Net Gains and Losses
Gain or loss in connection with Business Combination
Documents Incorporated By Reference TextBlock
Documents Incorporated by Reference [Text Block]
EntheogeniX Biosciences, Inc. [Member]
EntheogeniX Biosciences, Inc. [Member]
Entheogenix Biosciences Inc. Member
Additional Stock Issued During Period, Shares
Additional stock issued during period, shares
Additional common shares public offering price
Termination Fee Amount
Termination Fee Amount
Termination fee
Galaxy NYC Based Multi Strategy Investment Firm [Member]
Galaxy NYC based multi strategy investment firm.
Third Tranche
Third Tranche [Member]
Third Tranche [Member]
InnarisBio [Member].
InnarisBio [Member]
InnarisBio [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted-Average Remaining Contractual Term
Weighted- Average Remaining Contractual Term (Years)
Line of Credit Facility, Decrease, Forgiveness
Line of Credit Facility, Decrease
Property and Equipment
Property, Plant, and Equipment [Text Block]
Net loss attributable to noncontrolling interests - preferred
Net income (loss) attributable to noncontrolling interest preferred.
Net Income (Loss) Attributable To Noncontrolling Interest Preferred
Share Purchase Deed [Member]
Share Purchase Deed (Secondary Sale Shares) [Member]
Share Purchase Deed [Member]
Short Term Convertible Promissory Note Conversion Option
Short Term Convertible Promissory Note Conversion Option
Short-term convertible promissory note conversion option
Other Investments
Other Investments [Policy Text Block]
Other investments.
SBM [Member]
SBM [Member]
Non-operating income expense
Nonoperating Income (Expense)
Total other income (expense), net:
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Conversion of Notes
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Conversion of Notes
Gain on conversion of notes
Subscription and Shareholders' Agreement [Member]
Subscription and Shareholders' Agreement [Member]
Subscription And Shareholders Agreement [Member]
Common Stock, Other Shares, Outstanding
Projected Commercial Revenue [Member]
Projected Commercial Revenue [Member]
Schedule of Long-Term Debt Instruments [Table]
2023 Warrant [Member]
Two Thousand Twenty Three Warrant [Member]
Two Thousand Twenty Three Warrant [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Exercise Price.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Exercise Price
Weighted- Average Exercise Price,Options exercisable as of June 30, 2026
Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum
Percentage of no of share owned by shareholders
First Tranche Funding [Member].
First Tranche Funding [Member]
First Tranche Funding [Member]
License Agreements.
License Agreements [Table]
General and administrative expense
General and Administrative Expense, Total
General and Administrative Expense
General and administrative
Convertible notes receivables.
Convertible Notes Receivables
Share based compensation arrangement by share based payment award equity instruments other than options aggregate intrinsic value granted.
Share based Compensation Arrangement By Share based Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Granted
Aggregate Intrinsic Value,Granted
Income Statement [Abstract]
Income Statement [Abstract]
Subsidiary or Equity Method Investee, Cumulative Proceeds Received on All Transactions
Equity method investment, Investee shares sold
Debt and Lease Obligation [Abstract]
other shareholder.
Other Shareholder [Member]
Receivables, Net, Current
Receivables, Net, Current, Total
Receivables Net Current
RL-007 Expenses [Member]
RL-007 Expenses [Member]
RL-007
Number of options,Forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Number of Options, Cancelled or forfeited
Number of options, Forfeited
Debt Instrument, Unamortized Discount, Total
Debt Instrument, Unamortized Discount
Unamortized debt discount
Unamortized debt discount
Business Combination, clinical milestones payment amount
Business Combination, clinical milestones payment amount
Company's common share
Company's common share
Company's common share
Components of expenses related to leases is recorded on a straight-line basis over the lease term
Lease, Cost [Table Text Block]
Receivables maturity description.
Receivables Maturity Description
Receivables, Maturity description
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Two Thousand Twenty Three Initial Notes [Member]
Two Thousand Twenty Three Initial Notes [Member]
2023 Initial Notes [Member]
Variable Interest Entity [Domain]
Variable Interest Entity Domain
Auditor Attestation Flag
ICFR Auditor Attestation Flag
Related and Nonrelated Parties [Domain]
Vesting [Axis]
Revenue
Revenue
Deferred revenue
Deferred revenue
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Initial Fair Value of Instrument
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Initial Fair Value of Instrument
Initial fair value of instrument
Earnings Per Share, Basic
Net income (loss) per share attributable to ATAI Life Sciences N.V. shareholders - basic
Net loss per share attributable to Atai Beckley N.V. shareholders - basic
Net loss per share attributable to AtaiBeckley Inc. stockholders - basic
Series C Warrants [Member]
Series C Warrants [Member]
Series C Warrants [Member]
Service And Performance Based Options [Member]
Performance-based vesting.
Performance Based Vesting [Member]
Performance Based Vesting [Member]
Share-Based Payment Arrangement, Tranche One B [Member]
Share-Based Payment Arrangement, Tranche One B [Member]
Tranche 1B
Prior To The Fifth Anniversary [Member]
Prior To The Fifth Anniversary [Member]
Prior to the 5th anniversary [Member]
Document Period End Date
Period End Date
2018 Convertible Notes Call Option [Member]
Two Thousand Eighteen Convertible notes call option.
Two Thousand Eighteen Convertible Notes Call Option [Member]
Derivative Liability, Measurement Input
Perception Convertible Notes, Measurement Input
Rizafilm [Member]
Rizafilm Member
Rizafilm [Member]
Series B Preferred Stock [Member]
Series B Preferred Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award EquityI nstruments Other Than Options Outstanding Weighted Average Exercise Price.
Share Based Compensation Arrangement By Share Based Payment Award EquityI nstruments Other Than Options Outstanding Weighted Average Exercise Price
Weighted- Average Exercise Price Beginning as of December 31, 2025
Net Carrying Amount
Intangible Asset, Finite-Lived, after Accumulated Amortization
Finite-Lived Intangible Assets, Net, Ending Balance
Finite-Lived Intangible Assets, Net, Beginning Balance
Total
Operating Leases, Future Minimum Payment Receivable, in Two Years
Operating Leases, Future Minimum Payment Receivable, in Two Years
2027
Convertible Notes Payable, Total
Convertible Notes Payable
Carrying amount of convertible promissory note
IntelGenx Corp [Member]
Intelgenx Corp Member
IntelGenx Corp [Member]
Payments to Acquire Property, Plant, and Equipment
Cash paid for property and equipment
Payments to Acquire Property, Plant, and Equipment, Total
Debt Instrument [Line Items]
Weighted-Average Exercise Price, Granted
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Investment Owned, Balance, Shares
Investment owned number of shares
Investment owned number of shares
Noncontrolling Interest [Abstract]
Business Combination, Consideration Transferred, Tangible and Intangible Assets, Excluding Cash
Business combination, earn-out consideration
Business combination, earn-out consideration
Common Stock, Shares Authorized
Purchase common stock
Other Subsidiaries Equity Plan [Member]
Other Subsidiaries Equity Plan [Member]
Other Subsidiaries Equity Plan [Member]
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two
2027
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Schedule of Investments [Abstract]
GABA therapeutics inc.
GABA Therapeutics Inc [Member]
GABA Therapeutics Inc [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price
Weighted- Average Exercise Price as of June 30, 2026
Atai ESOP
Atai ESOP [Member]
Atai ESOP [Member]
Warrants and Rights Outstanding, Measurement Input
Warrant Liability, Measurement Input
Warrant Liability, Measurement Input Including Discount for Lack of Marketability
Estimated Fair Value of Stock Options Issued as Replacement Awards
Estimated Fair Value of Stock Options Issued as Replacement Awards
Estimated fair value of stock options issued as replacement awards
Prepaid Expense and Other Assets, Current
Prepaid expenses and other current assets
Total
Grant receivable
Income (Loss) from Equity Method Investments, Total
Income (Loss) from Equity Method Investments
Losses from investments in equity method investees, net of tax
Losses from investments in equity method investees, net of tax
Foreign Currency
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Investment in Debt and Equity Instruments and Cash and Cash Equivalent [Text Block]
Investments
Debt Conversion Description [Axis]
Entity Address, Country
US Government Agencies Short-Term Debt Securities [Member]
U.S. Government Agencies [Member]
Equity Method Investments and Joint Ventures [Abstract]
Investments [Domain]
One-Year Anniversary [Member]
One-Year Anniversary [Member]
One-Year Anniversary [Member]
Two Thousand Twenty Convertible Note [Member]
2020 Convertible Notes [Member]
Two Thousand Twenty Convertible Note [Member]
Prepaid expenses and other current assets [table text block].
Prepaid Expenses And Other Current Assets [Table Text Block]
Summary of Prepaid Expenses and Other Current Assets
Accrued interest
Deposit Liabilities, Accrued Interest
Payments to Acquire Other Investments
Cash paid for other investments
Cash paid for investments
Share based arrangements to obtain goods and services.
ShareBasedArrangementsToObtainGoodsAndServices [Table]
Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Psyber Purchase Agreement [Member]
Psyber Purchase Agreement Member
Tranche One [Member].
Tranche One [Member]
Tranche One [Member]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Disaggregation of Revenue [Table]
Aggregate Intrinsic Value, Outstanding
Aggregate Intrinsic Value, Beginning
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Milestone payments.
Milestone Payments [Domain]
Supplemental Cash Flow Elements [Abstract]
Supplemental disclosures of noncash investing and financing information:
Organization Consolidation And Presentation Of Financial Statements
Organization Consolidation And Presentation Of Financial Statements [Table]
Assets
Total assets
Total assets
Area of Land
Area of Land
Title of 12(b) Security
Settlement of the Unsecured Promissory Note
Settlement of the Unsecured Promissory Note
Settlement of the unsecured promissory note
Proceeds from Equity Method Investment, Distribution, Return of Capital
Equity method investment, Proceeds
Other Investments Held at Fair Value
Other Investments Held At Fair Value [Policy Text Block]
Other investments held at fair value.
Schedule of Equity Method Investments [Line Items]
Goodwill
Goodwill, Ending Balance
Goodwill, Beginning Balance
Goodwill, Total
Goodwill
Preferred Stock, Value, Issued
Preferred stock, $0.01 par value, 37,500,000 and zero shares authorized at June 30, 2026 and December 31, 2025, respectively; no shares issued or outstanding at June 30, 2026 and December 31, 2025
Purchase of common stock
Payments for Repurchase of Common Stock
TryptageniX, Inc [Member]
TryptageniX Inc. [Member]
TryptageniX, Inc [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Number of Options Outstanding as of June 30, 2026
Number of Options Outstanding as of December 31, 2025
Reclassifications
Reclassification, Comparability Adjustment [Policy Text Block]
Stock Issued During Period, Value, Stock Options Exercised
Stock Issued During Period, Value, Stock Options Exercised
Issuance of common stock upon exercise of stock options
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Number of Options, Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Fair value of liability for seller financing
Fair value of liability for seller financing
Customer Concentration Risk [Member]
Operating Lease Payment
Operating Lease, Payments
Shedule of Restricted Stock Unit Activity
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Antidilutive Securities, Name [Domain]
2021 Incentive Award Plan [Member]
Two Thousand And Twenty One Incentive Award Plan [Member]
2021 Incentive Award Plan [Member]
Liabilities, Fair Value Disclosure [Abstract]
Liabilities:
Percentage Of Restructured Workforce
Percentage Of Restructured Workforce
Percentage of restructured workforce
Cash paid for interest
Cash paid for interest
Interest Paid, Excluding Capitalized Interest, Operating Activity
Purchase of Warrants
Purchase of Warrants
Purchase of Warrants
Percentage of shares released underlying the replacement from the lock-up
Percentage Of Shares Released Underlying the Replacement From the Lock-Up
Percentage Of Shares Released Underlying the Replacement From the Lock-Up
Schedule Of Equity Method Investment Summarized Balance Sheet.
Schedule Of Equity Method Investment Summarized Balance Sheet [Table Text Block]
Schedule Of Equity Method Investment Summarized Balance Sheet
Line of Credit Facility, Annual Borrowing Rate
Line of Credit Facility, Interest Rate During Period
Omnibus Amendment Agreement[member].
Omnibus Amendment Agreement [Member]
Location, Statement of Financial Position, Balance [Axis]
Cash and Cash Equivalents [Domain]
Non Cash Share Based Compensation Expenses [Member]
Non Cash Share Based Compensation Expenses [Member]
Non-cash share-based compensation expense
Weighted-Average Remaining Contractual Term (Years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term
Prepaid Taxes
Tax receivables
Business Combination, Recognized Asset Acquired, Other Asset, Current
Other assets
Vested Stock Options [Member]
Vested Stock Options [Member]
Nature of Operations [Text Block]
Organization and Description of Business
Strategic Development Agreement [Member]
Strategic Development Agreement.
Strategic Development Agreement [Member]
Schedule of Company's Reportable Segment Net Loss
Segment Reporting [Table Text Block]
prepayment occurs after the first anniversary and on or prior to the second anniversary
Prepayment occurs after the first anniversary and on or prior to the second anniversary [Member]
Prepayment Occurs After The First Anniversary And On Or Prior To The Second Anniversary [Member]
2018 Convertible Notes.
Two thousand eighteen Convertible Notes [Member]
2018 Convertible Notes [Member]
Variable Interest Entity, Qualitative or Quantitative Information, Nature and Extent of Involvement
Relationship
Shedule Of Equity Method Investment Summarized Balance Sheet.
Shedule Of Equity Method Investment Summarized Balance Sheet [Line Items]
Fair Value Of Assets Acquired
Fair Value of Assets Acquired
Warrants at fair value
Exclusivity fee, Additional payment
Exclusivity fee, Additional payment
Cash
Cash
Cash
Cash, Ending Balance
Cash, Beginning Balance
Lessee, Operating Leases [Text Block]
Leases
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four
2029
Licensing Transactions [Member]
Licensing Transactions [Member]
Cash paid for securities carried at fair value
Payments to Acquire Debt Securities, Available-for-Sale
Cash paid for securities carried at fair value
Equity, Attributable to Parent
Equity, Attributable to Parent, Ending Balance
Equity, Attributable to Parent, Beginning Balance
Total stockholders' equity attributable to AtaiBeckley Inc. stockholders
Kures, Inc. [Member]
Kures Inc. Member
Valuation Approach and Technique [Domain]
Stock Purchase and Framework Agreement [Member]
Stock Purchase and Framework Agreement [Member]
Stock Purchase And Framework Agreement [Member]
Entity Address, Address Line Two
Research And Development Service Revenue
Research And Development Service Revenue
Research and development service revenue
Other assets
Other Assets, Noncurrent, Total
Other Assets, Noncurrent
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Income Tax Disclosure [Text Block]
Income Taxes
Accounting Policies.
Accounting Policies [Line Items]
Accounting Policies [Line Items]
Guaranteed Insurance Contract, Type of Guarantee [Axis]
Probability of Failure of License Transaction [Member]
Probability of Failure of License Transaction [Member]
Atai Formation [Member]
Atai Formation [Member]
Atai Formation [Member]
Additional Revenue Recognition For Sales licensing and Intellectual Property
Additional Revenue Recognition For Sales licensing and Intellectual Property
Additional revenue recognition for sales licensing and intellectual property
Underwriting Agreement [Member]
Underwriting Agreement [Member]
Embedded Derivative, Fair Value of Embedded Derivative, Net, Total
Embedded Derivative, Fair Value of Embedded Derivative, Net
Fair value of embedded conversion features
Earnings Per Share [Text Block]
Net Loss Per Share
Long-Term Debt, Fair Value
Long-Term Debt, Fair Value
Long-Term Debt, Fair Value
Notes Payable, Fair Value Disclosure
Fair value amount of convertible promissory note
Noncontrolling Interest [Table]
Restricted Stock Units Subject To Lock-Up [Member]
Restricted Stock Units Subject To Lock-Up [Member]
Restricted stock units subject to lock-up
InnarisBio Purchase Agreement [Member]
Innarisbio Purchase Agreement Member
BusinessCombinationsLineItemS
Weighted Average [Member]
Number of Reportable Segments
Number of reportable segments
Stockholders' Equity Note [Abstract]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Assets:
Revenue Benchmark [Member]
Four year service period
Four year service period [Member]
Four Year Service Period [Member]
Basis of Accounting, Policy [Policy Text Block]
Basis of Presentation
Series C preferred shares [Member]
Series C preferred shares [Member]
Series C Preferred Shares [Member]
Auditor Name
License Agreements
License agreements.
License Agreements [Text Block]
Office Equipment [Member]
Laboratory and office equipment
Tranche.
Tranche [Axis]
Long-term debt, net
Long-Term Debt
Fair value of the outstanding debt obligation
Long-term debt, net of current maturities and unamortized debt discount and issuance costs
Net income (loss) per share.
Net Income (Loss) Per Share [Abstract]
Volatility of shareholder
Volatility Of Shareholder
Volatility Of Shareholder
Insider [Member]
Insider [Member]
End of the term charge
End of the term charge
End of the term charge
Performance Obligations [Member]
Performance Obligations [Member]
Crypto Asset, Number of Units
Crypto Asset, Number of Units, Total
Bitcoins
Accounts Receivable, Credit Loss Expense (Reversal)
Accounts Receivable Credit Loss Expense (Reversal)
PsyProtix, Inc. [Member]
Psyprotix Inc. Member
PsyProtix, Inc. [Member]
Two Year Service Period [Member]
Two Year Service Period [Member]
Two Year Service Period [Member]
Financing Receivable, Collectively Evaluated for Credit Loss
Financing Receivable Collectively Evaluated for Credit Loss
Stock, Class of Stock [Table]
Operating Lease Rental Income
Operating Lease Rental Income
Operating lease rental income
Investment [Table Text Block]
Summary of the carrying values of other investments
Unvested restricted stock units
Restricted Stock [Member]
Restricted Stock [Member]
Organization Consolidation And Presentation Of Financial Statements.
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Operating Leases Future Minimum Payment Receivable, InThree Years
Operating Leases Future Minimum Payment Receivable, InThree Years
2028
Draw Down Amount
Draw Down Amount
Draw down amount from escrow account
CB Therapeutics, Inc. [Member]
CB Therapeutics, Inc. [Member]
Issuance costs allocated to pre-funded warrants
Proceeds from Issuance of Pre Funded Warrants
Proceeds from Issuance of Pre Funded Warrants
Proceed from pre-funded warrants
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Additional Warrants Recevied
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Additional Warrants Recevied
Additional Warrants received
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Vested
Document Annual Report
Document Annual Report
Proceeds from Stock Options Exercised
Proceeds from issuance of shares upon exercise of stock options
Short-term lease cost
Short-Term Lease, Cost
Date of control obtained.
Date Of Control Obtained
Date Control Obtained
Payments to Acquire Intangible Assets
Cash paid for digital assets
Condition.
Condition [Axis]
Geographical [Domain]
Business Combination, Transaction Cost, Excluding Separately Recognized Transaction
Transaction Costs
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three
2028
Contingent Consideration Liability Related Parties [Member]
Contingent Consideration Lability Related Parties [Member]
Contingent Consideration Lability Related Parties [Member]
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt
Adjustment to additional paid in capital upon debt modification
Net income (loss) per share.
Net Income (Loss) Per Share [Line Items]
Recognify Life Sciences, Inc [Member]
Recognify Life Sciences, Inc [Member]
Beckley Psytech [Member]
Beckley Psytech [Member]
Beckley Psytech [Member]
Additional Shares [Member]
Additional Shares [Member]
Additional Shares Member
Statistical Measurement [Axis]
Beckley Additional Warrants [Member]
Beckley Additional Warrants [Member]
Beckley Additional Warrants [Member]
Share-Based Payment Arrangement [Policy Text Block]
Stock-Based Compensation
Money Market Funds [Member]
Money Market Funds [Member]
Entity Interactive Data Current
Business Combination, Consideration Transferred, Equity Interest
Business Combination, purchase of shares
Schedule Of Reconciliation Of The Restructuring Charges And Related Payments
Restructuring and Related Costs [Table Text Block]
Convertible Debt, Fair Value Disclosures
Fair value of Convertible Notes
Tranche.
Tranche [Domain]
Gain (Loss) on Extinguishment of Debt, Total
Gain (Loss) on Extinguishment of Debt
Loss on extinguishment of debt
Loss on extinguishment of debt
Risk-free interest rate, Minimum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum 1
Share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate, minimum.
Internal use software [Member]
Internal use software [Member]
Internal use software
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Options and Restricted Stock Awards [Member].
Options and Restricted Stock Awards [Member]
Options and Restricted Stock Awards [Member]
Customer Two [Member]
Customer Two [Member]
Business Combinations [Table]
Business Combinations Table
Common Stock, Value, Issued, Ending Balance
Common Stock, Value, Issued, Beginning Balance
Common Stock, Value, Issued, Total
Common Stock, Value, Issued
Common Stock Value
Common stock, $0.01 par value at June 30, 2026 and December 31, 2025, respectively; 750,000,000 shares authorized at June 30, 2026 and December 31, 2025, respectively; 369,214,760 and 363,280,522 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Basis and Diluted Net Loss Per Share Attributable to ATAI Stockholders
Taxes Payable, Current, Total
Taxes Payable, Current
Taxes payable
Entity Public Float
Entity Public Float
Liabilities
Total liabilities
Other Investments [Abstract]
Gain (Loss), Foreign Currency Transaction, before Tax
Foreign Currency Transaction Gain (Loss), before Tax, Total
Foreign exchange gain (loss), net
Ownership [Domain]
Convertible debenture [Member]
Convertible debenture [Member]
Convertible debenture [Member]
Deferred Shares [Member]
Deferred Shares [Member]
Deferred Shares [Member]
Cash paid for amounts included in the measurement of lease liabilities:
Cash paid for amounts included in the measurement of lease liabilities
Cash paid for amounts included in the measurement of lease liabilities
Net carrying amount
Certain Loans Acquired in Transfer Accounted for Debt Securities, Carrying Amount, Net
Certain Loans Acquired in Transfer Accounted for Debt Securities, Carrying Amount, Net
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Total
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Unamortized discount and deferred issuance costs
Less: unamortized issuance costs
Share-Based Payment Arrangement, Tranche Two [Member]
Tranche 2
Option Pricing [Member]
Option Pricing [Member]
Business Combination [Text Block]
Acquisitions
Merger Agreement [Member]
Merger Agreement [Member]
Merger Agreement [Member]
Product and Service [Axis]
Reportable Segment, Aggregation before Other Operating Segment [Member]
Reportable Segment, Aggregation before Other Operating Segment
Retained Earnings (Accumulated Deficit)
Accumulated deficit
Adjustment to accumulated deficit (pursuant to adoption of ASU 2016-13)
Retained Earnings (Accumulated Deficit), Ending Balance
Retained Earnings (Accumulated Deficit), Beginning Balance
Retained Earnings (Accumulated Deficit), Total
Call Option [Member]
Call Option [Member]
Fair value of common stock by applying discount for lack of marketability.
Fair Value Of Common Stock By Applying Discount For Lack Of Marketability
Fair value of common stock by applying discount for lack of marketability
Additional Common Shares Exercised Option
Additional common shares exercised option
Additional Common Shares Exercised Option
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Other Nonoperating Income (Expense) [Abstract]
Other income (expense), net:
Juvenescence Limited [Member]
Juvenescence Limited.
Juvenescence Limited [Member]
Unvested Restricted Stock Units [Member]
Unvested Restricted Stock Units [Member]
Unvested Restricted Stock [Member]
Cash and Cash Equivalents, Fair Value Disclosure
Money market funds
Perception [Member].
Perception [Member]
Perception [Member]
Increase (Decrease) in Accounts Payable, Total
Increase (Decrease) in Accounts Payable
Accounts payable
Equity method investment, ownership percentage
Equity Method Investment, Ownership Percentage
Equity Method Investment, Ownership Percentage
Total operating expenses
Operating Expenses
Noncash lease expense
Noncash lease expense
Noncash lease expense
Fair value Of common stock
Equity, Fair Value Disclosure
Equity, Fair Value Disclosure, Total
Fair value of ordinary shares
Share Price
Estimated market value of the underlying common stock
Term charge percentage
Term Charge Percentage
Term Charge Percentage
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage
Ownership %
Vesting [Domain]
Convertible debenture units
Stock Issued During Period, Shares, Conversion of Units
Stock issued during period, Conversion of units
Condensed Balance Sheet Statements, Captions [Line Items]
Debt Extinguishments, Policy [Policy Text Block]
Debt Extinguishments, Policy [Policy Text Block]
Debt Extinguishments
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Disaggregation of Revenue [Line Items]
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Changes in operating assets and liabilities:
Right-of-use liabilities 1
Right-of-use liabilities 1
Right-of-use liabilities
Stock options, Vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Share price
Sale of stock issue price per share
Shares Issued, Price Per Share
Stock Issued During Period, Shares, New Issues
Common shares public offering
Issuance of common stock, net of issuance costs, Shares
Other Investments held at fair value
Restricted Investments, at Fair Value
Personnel and Employee Related Expenses [Member]
Personnel and Employee Related Expenses [Member]
Personnel and employee-related expenses
Auditor Location
Other Investments, Held at Fair Value
Other Investments, Held at Fair Value
Other Investments, Held at Fair Value
Comprehensive loss attributable to noncontrolling interests
Comprehensive income (loss) attributable to redeemable noncontrolling interests and noncontrolling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Convertible Debt Securities [Member]
2018 short-term convertible promissory notes
2018 Convertible Promissory Notes
Crypto Asset, Realized and Unrealized Loss, Operating and Nonoperating Unit
Crypto Asset, Realized and Unrealized Loss, Operating and Nonoperating Unit
Unrealized gain
Attersee [Member]
Attersee [Member]
Common share purchase warrants
Class of Warrant or Right, Outstanding
Purchase of warrant
GABA options [Member].
GABA Options [Member]
GABA Options [Member]
Redeemable Noncontrolling Interest, Equity, Redemption Value, Total
Redeemable Noncontrolling Interest, Equity, Redemption Value
Closing balance
Opening balance
IPO [Member]
IPO [Member]
Intangible Asset, Finite-Lived, Accumulated Amortization
Accumulated Amortization
Series C Shares [Member]
Series C Shares [Member]
Series C Shares [Member]
Series C and Series D Financing [Member]
Series C And Series D Financing [Member]
Series C And Series D Financing.
October Underwriting Agreement [Member]
October Underwriting Agreement [Member]
Summary of grant date fair value
Fair Value Option, Disclosures [Table Text Block]
Milestone payment payable.
Milestone Payment Payable
Milestone payment payable
Sonia Weiss pick and family.
Sonia Weiss Pick And Family [Member]
Sonia Weiss Pick And Family [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Risk-free interest rate (Maximum)
Assets, Noncurrent, Total
Assets, Noncurrent
Noncurrent assets
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Less: accumulated depreciation and amortization
Derivative Liability, Total
Derivative Liability
Derivative liability
Fair value of warrant liability
Related Party Transactions [Abstract]
2020 convertible note agreement [Member].
Two Thousand Twenty Convertible Note Agreement [Member]
2020 Convertible Note Agreement [Member]
Prepaid Expenses And Other Current Assets [Text Block]
Prepaid expenses and other current assets [text block].
Prepaid Expenses and Other Current Assets
Operating lease cost
Operating Lease, Cost
Maturity date
Loan, Held-for-Sale, Maturity Date
Long-Lived Asset, Class [Axis]
Income Tax, Policy [Policy Text Block]
Income Taxes
Subsequent Events [Text Block]
Subsequent Events
Effect of foreign exchange rate changes on cash
Effect of Exchange Rate on Cash and Cash Equivalents, Total
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
ATAI Life Sciences AG [Member]
ATAI Life Sciences AG [Member]
ATAI Life Sciences AG [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Nonvested Number.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Nonvested Number
Number of Options exercisable as of June 30, 2026
Convertible promissory notes and derivative instruments.
Convertible Promissory Notes And Derivative Instruments [Policy Text Block]
Convertible Promissory Notes and Derivative Instruments
Fair Value Hierarchy and NAV [Axis]
Short-Term Debt, Type [Axis]
Volatility
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Weighted average expected stock price volatility
IntelGenx Subsequent DIP Loan Commitment [Member]
IntelGenx Subsequent DIP Loan Commitment [Member]
IntelGenx Subsequent DIP Loan Commitment [Member]
Contingent Consideration Liability Related Parties Fair Value Disclosure
Contingent Consideration Liability Related Parties Fair Value Disclosure
Contingent consideration liability - related party
Total fair value of consideration paid
Equity Issued in Business Combination, Fair Value Disclosure
Manufacturing Facility [Member]
Manufacturing Facility [Member]
2018 Convertible Notes [Member]
Convertible notes issued in november 2018 [Member].
Convertible Notes Issued in November 2018 [Member]
Convertible Notes Issued in November 2018 [Member]
Property, Plant, and Equipment [Line Items]
Property and Equipment [Line Items]
Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life
Risk-free interest rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
HCS German venture capital firm.
HCS German Venture Capital Firm [Member]
Measurement Input Discount Rate for Royalties [Member]
Measurement Input Discount Rate for Royalties [Member]
Measurement Input Discount Rate for Royalties [Member]
Labor and Related Expense
Labor and Related Expense
Share Based Compensation Arrangement Description
Share Based Compensation Arrangement Description
Share Based Compensation Arrangement Description
Contingent Milestone [Member]
Contingent Milestone [Member]
Subscription Agreement [Member]
Subscription Agreement [Member]
Subscription Agreement [Member]
Prepaid Expense And Other Assets
Prepaid Expense and Other Assets
Debt Securities, Available-for-sale, Total
Debt Securities, Available-for-Sale
Fair value of available-for-sale debt securities
Escrow Deposit
Held in escrow
In-process research and development expense
Research and Development Expense (Excluding Acquired in Process Cost)
Research and development
Operating Lease, Liability, Current
Current lease liabilities
Stock Issuance Costs
Stock Issuance Costs
Common shares allocated amount
Recognify Restricted Common Stock Award.
Recognify Restricted Common Stock Award [Member]
Recognify Restricted Common Stock Award [Member]
Cost basis for dividend
Cost Basis Of Dividend Investments
Cost Basis Of Dividend Investments
Concentration Risk Type [Domain]
Milestone Driven Grant
Milestone Driven Grant
Milestone Driven Grant
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Gain (loss) from continuing operations
Auditor Firm ID
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value at December 31, 2025
Weighted Average Grant Date Fair Value at June 30, 2026
Customer [Domain]
Business Combination, Recognized Liability Assumed, Liability
Total assets acquired and liabilities assumed
DIP Loan [Member]
DIP Loan [Member]
DIP Loan [Member]
Liabilities and Equity
Total liabilities and stockholders' equity
Expected dividend yield
Dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Tranche Two [Member].
Tranche Two [Member]
Tranche Two [Member]
Digital Assets
Digital Assets, Policy [Policy Text Block]
Digital Assets, Policy [Policy Text Block]
Research and Development Expense
Research and Development Expense, Total
Research & development expense
Benefit from research and development tax credit
Entity Voluntary Filers
Entity Voluntary Filers
Intangible Asset, Finite-Lived, Class [Axis]
Document Fiscal Period Focus
Share-Based Payment Arrangement, Disclosure [Abstract]
Schedule of supplemental cash flow information related to operating leases
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Discovery (Non-Hallucinogenic) Expenses [Member]
Discovery (Non-Hallucinogenic) Expenses [Member]
Discovery (Non-hallucinogenic)
Revenue, Remaining Performance Obligation, Amount
Performance obligation
Prepaid Expense and Other Assets, Current [Abstract]
Financing Receivable, after Allowance for Credit Loss
Financing Receivable, after Allowance for Credit Loss, Total
Notes Receivable
Short-term Debt, Total
Short-Term Debt
Short-term notes payable
Short-term debt securities
Issuance of redeemable noncontrolling interests.
Issuance Of Redeemable Noncontrolling Interests
Issuance of redeemable noncontrolling interests
Three Years Service Period [Member]
Three Years Service Period [Member]
Three Years Service Period [Member]
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions
Proceeds from Other Equity
Proceeds from equity offerings, net of commissions
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of Income before Income Tax, German and Overseas
Change in fair value of short term notes receivable.
Change In Fair Value Of Short Term Notes Receivable
change in fair value of short term notes receivable
Property, Plant, and Equipment [Table]
Preferred Stock Restated shares
Preferred Stock Restated shares
Preferred Stock Restated shares
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Liabilities
Accrued liabilities
Call Option Units [Member]
Call Option Units [Member]
Call Option Units [Member]
Subsegments [Domain]
Other investors.
Other Investors [Member]
Other Investors [Member]
Proceeds from Issuance of Warrants
Proceeds from issuance of pre-funded warrants
Shares Distributed Percentage
Shares Distributed Percentage
Shares Distributed Percentage
CANADA
Canada
Sale of Stock [Axis]
Income Tax Paid, before Refund Received
Cash paid for taxes
Cash paid for taxes
Intangible Asset, Finite-Lived, Useful Life
Remaining Useful Lives
Estimated remaining useful life
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
Weighted- Average Exercise Price, Options vested and expected to vest
Aggregate Contingent Value Right
Aggregate Contingent Value Right
Aggregate contingent value right receive
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Net increase in cash, cash equivalents, and restricted cash
Entity Current Reporting Status
Fair value of Contingent Consideration liability
Business Combination, Contingent Consideration [Table Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Timing of Royalties on Commercial Revenue [Member]
Timing of Royalties on Commercial Revenue [Member]
Compass Pathways Plc [Member]
Compass Pathways Plc [Member]
Compass Pathways Plc.
Other Income And Expense
Other Income And Expense
Other expense, net
Other (income) expense, net
Two thousand and twenty incentive plan.
Two Thousand and Twenty Incentive Plan [Member]
Two Thousand and Twenty Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Number of Options exercisable as of June 30, 2026
Contingent Consideration Liability - Related Parties [Member]
Contingent Consideration Liability - Related Parties [Member]
Contingent Consideration Liability - Related Parties
Issuance of subsidiary shares in connection with the Columbia stock purchase agreement (Note17)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance
Issuance of noncontrolling interest
Issuance of noncontrolling interests
Deferred Revenue
Deferred Revenue, Total
Deferred revenue
Kures [Member].
Kures [Member]
Kures [Member]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Class of Stock [Domain]
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Change In Fair Value
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Change In Fair Value
Change in fair value
Change in fair value
Receivable with Imputed Interest, Face Amount
Receivable, Face amount
Aggregate principal amount
Accounts Payable, Current, Total
Accounts Payable, Current
Accounts payable
Accounts payable
Hercules Loan Agreement
Hercules Loan Agreement [Member]
Hercules Loan Agreement [Member]
Investment Type [Axis]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Schedule of Computation of Diluted net Income (Loss) Per Share Attributable to Common Shareholders
Financial Instrument [Axis]
Assets, Fair Value Disclosure
Assets fair value
Assets fair value
Other Subsidiary Equity Plans [Member]
Other Subsidiary Equity Plans [Member]
Document Transition Report
Liability Class [Axis]
Proceeds from Collection of Notes Receivable
Cash received
Shedule Of Equity Method Investment Summarized Balance Sheet.
Shedule Of Equity Method Investment Summarized Balance Sheet [Table]
Commitments and Contingencies Disclosure [Abstract]
Subsequent Event [Line Items]
June 2025 PIPE Financing [Member]
June 2025 PIPE Financing [Member]
June 2025 PIPE Financing [Member]
Psyber [Member].
Psyber [Member]
Psyber [Member]
Business Combinations [Line Items]
Business Combinations Line Items
Extinguishment of Debt [Axis]
Investment Owned Share Capital
Investment Owned Share Capital
Investment Owned Share Capital
Class of Warrant or Right [Axis]
Notes Receivable [Member]
Long term notes receivable
Fair value measurements with unobservable inputs reconciliation recurring basis initial fair value measurement.
Fair Value Measurements With Unobservable Inputs Reconciliation Recurring Basis Initial Fair Value Measurement
Initial fair value of instrument - Other
Two Thousand Twenty Four Warrant
Two Thousand Twenty Four Warrant [Member]
2024 Warrants [Member]
Shedule Of Equity Method Investment Summarized Statement Of Operations.
Shedule Of Equity Method Investment Summarized Statement Of Operations [Table Text Block]
Shedule Of Equity Method Investment Summarized Statement Of Operations
Liabilities, Current [Abstract]
Current liabilities:
Other Current Investments Held At Fair Value
Other Current Investments Held At Fair Value
Other current investments held at fair value
Share-Based Payment Arrangement [Abstract]
Cash [Member]
Cash [Member]
Schedule of operating leases assets and liabilities lessee
Schedule Of Operating Leases Assets And Liabilities Lessee Table Text Block
Schedule Of Operating Leases Assets And Liabilities Lessee Table Text Block
October 2020 Notes [Member]
October 2020 [Member]
October 2020 [Member]
Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Beginning Balance
Alternative Investment
Other investments held at fair value
Common Stock [Member]
Common Stock [Member]
Business Combination, Common stock for a cash contribution
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total
Business Combination, Recognized Asset Acquired, Asset
Discounted Cash Flow with SBM [Member]
Discounted Cash Flow with SBM [Member]
Discounted Cash Flow with SBM [Member]
Share-Based Payment Arrangement, Tranche One C [Member]
Share-Based Payment Arrangement, Tranche One C [Member]
Tranche 1C
Statistical Measurement [Domain]
Derivative Liability
Derivative Liability [Member]
Unit Purchase Price Year One [Member].
Unit Purchase Price Year One [Member]
Unit Purchase Price Year One [Member]
Intangible Asset, Finite-Lived, before Accumulated Amortization
Finite-Lived Intangible Assets, Gross, Total
Cost
Employee Severance [Member]
Employee Severance [Member]
Equity, Attributable to Parent [Abstract]
Stockholders' equity:
Weighted average common shares outstanding attributable to ATAI Life Sciences N.V. Stockholders - basic (denominator)
Weighted Average Number of Shares Outstanding, Basic
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted average shares of common stock outstanding attributable to AtaiBeckley Inc. stockholders - basic
Redeemable Noncontrolling Interest [Line Items]
Noninterest Expense Commission Expense
Commission expense related to the sale
Investment.
Investment [Table]
Timing of Royalties on Clinical Milestone Revenue [Member]
Timing of Royalties on Clinical Milestone Revenue [Member]
Property, Plant, and Equipment [Abstract]
Assets [Abstract]
Assets
Operating Lease Expense
Operating Lease, Expense
Entity Central Index Key
CIK
Change in Fair Value Of Warrant Liabilities
Change in Fair Value Of Warrant Liabilities
Noncash change in the fair value of assets and liabilities, net
Noncash change in the fair value of assets and liabilities, net
Antidilutive Securities [Axis]
Chymia, LLC [Member]
Chymia Llc Member
Intrinsic Value Of Options Exercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Aggregate Intrinsic Value, Options exercisable as of June 30, 2026
Less: Imputed interest
Less: Imputed interest
Receivable with Imputed Interest, Discount
Neuronasal, Inc. [Member]
Neuronasal, Inc. [Member]
Neuronasal Inc. Member
Class of Stock [Line Items]
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale
Proceeds from sale and maturities of securities carried at fair value
Other current liabilities
Other Liabilities, Current
Other Liabilities, Current, Total
Contract liabilities
Operating Loss Carryforwards [Table]
Kures restricted common stock awards.
Kures Restricted Common Stock Awards [Member]
Stock options issued as replacement awards
Stock Issued During Period, Shares, Acquisitions
Number of days of voting and other rights of expiration date.
Number Of Days Of Voting And Other Rights Of Expiration Date
Number of days of voting and other rights of expiration date
Current Fiscal Year End Date
Debt, Policy [Policy Text Block]
Debt Issuance Costs and Debt Discount
Other than Temporary Impairment Losses, Investments
Impairment loss
Class of Warrant or Right [Domain]
Increase (Decrease) in Accrued Liabilities, Total
Increase (Decrease) in Accrued Liabilities
Accrued liabilities
Document Quarterly Report
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Initial Fair Value of Instrument
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Initial Fair Value of Instrument
Initial fair value of instrument
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five
2030
Conversion of notes payable
Issuance of common shares in connection with the conversion of convertible promissory notes
Issuance of common shares in connection with the conversion of convertible promissory notes
Entity Address, Address Line Three
First tranche.
First Tranche [Member]
First Tranche [Member]
Development and regulatory milestones.
Development And Regulatory Milestones [Member]
Development And Regulatory Milestones [Member]
Net income (loss) attributable to ATAI Life Sciences N.V. shareholders - diluted (numerator)
Net income (loss) attributable to ATAI Life Sciences N.V. shareholders - diluted (numerator)
Net Income (Loss) Available to Common Stockholders, Diluted
Net loss attributable to AtaiBeckley Inc. stockholders - diluted
Employee Stock Ownership Plan (ESOP) Name [Axis]
Payments to Acquire Businesses, Gross
Cash consideration, net of cash acquired
Cash and Cash Equivalents [Axis]
Digital assets
Digital assets
Digital assets
Other Investments At Fair Value [Member].
Other Investments At Fair Value [Member]
Other Investments At Fair Value [Member]
Consideration Transferred
Consideration Transferred
Total consideration transferred
Total consideration transferred
Other Long-Term Investments
Other investments
Other Long-term Investments
DemeRx Note [Member]
DemeRx Promissory Note Agreement [Member]
DemeRx Promissory Note Agreement [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent
Cash and cash equivalents
Convertible notes receivable - related party [Member]
Convertible notes receivable - related party [Member]
Convertible Notes Receivable - Related Party [Member]
Convertible Notes Receivable - Related Party
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Weighted- Average Exercise Price,End
Weighted-Average Exercise Price as of December 31, 2025
Weighted-Average Exercise Price as of June 30, 2026
Business Combination [Abstract]
Investment Line Items
Investment.
Investment [Line Items]
2018 Convertible Note Agreement [Member]
Two thousand eighteen convertible note agreement.
Two Thousand Eighteen Convertible Note Agreement [Member]
Measurement Input Probability of the Milestone [Member]
Measurement Input Probability of the Milestone [Member]
Measurement Input Probability of the Milestone [Member]
Cash and Cash Equivalent [Table]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash used in operating activities
Entity Incorporation, State or Country Code
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests
Repurchase of noncontrolling interest
Earnings Per Share, Diluted
Net income (loss) per share attributable to ATAI Life Sciences N.V. shareholders - diluted
Net loss per share attributable to Atai Beckley N.V. shareholders - diluted
Net loss per share attributable to AtaiBeckley Inc. stockholders - diluted
Sale of Stock, Number of Shares Issued in Transaction
Sale of Stock, Number of Shares Issued in Transaction
Series C shares credited to company
Benefit from research and development tax credit
Benefit From Research And Development Tax Credit
Benefit From Research And Development Tax Credit
Benefit from research and development tax credits
Preferred Stock, Par or Stated Value Per Share
Operating Lease, Weighted Average Discount Rate, Percent
Operating Lease, Weighted Average Discount Rate, Percent
Net loss attributable to AtaiBeckley Inc. stockholders
Net loss
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Conversion of notes receivable
Third Party [Member]
Third Party [Member]
License agreements.
License Agreements [Abstract]
Warrants and Rights Outstanding
Warrants And Rights Outstanding
GABA [Member]
Gaba [Member]
Gaba Member
Ownership [Axis]
Increase (Decrease) in Other Operating Assets
Increase (Decrease) in Other Operating Assets, Total
Other assets
Other assets
Commitments and Contingencies Disclosure [Text Block]
Commitments and Contingencies
Gain on other investments
Gain (Loss) on Sale of Other Investments
Gain on other investments
Business Combination, Contingent Consideration, Liability, Current
Current portion of lease liabilities
Customer One [Member]
Customer One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding
Aggregate Intrinsic Value,End
Aggregate Intrinsic Value,Beginning
Long-Lived Asset, Class [Domain]
Equity Method Investments [Table Text Block]
Equity Method Investments
Net income (loss) attributable to noncontrolling interest common.
Net Income (Loss) Attributable To Noncontrolling Interest Common
Net income (loss) attributable to noncontrolling interests—common
Type of Restructuring [Domain]
Other Investments held at fair value
Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure, Total
Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure
Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure
Debt Conversion, Converted Instrument, Shares Issued
Convertible notes conversion, shares issued
Prior to the 4th anniversary [Member]
Prior To The Fourth Anniversary [Member]
Prior To The Fourth Anniversary [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive loss attributable to AtaiBeckley Inc. stockholders
Probability of Issuances under Deferred Equity Arrangement
Probability of Issuances under Deferred Equity Arrangement
Probability of Issuances under Deferred Equity Arrangement
SMC advisory agreements [Member]
SMC advisory agreements [Member]
Unit [Member].
Unit [Member]
Unit [Member]
American Depositary Share [Member]
American Depositary Share [Member]
American Depositary Share [Member]
Insurance Fees [Member]
Insurance Fees [Member]
Insurance
One To Two Year Service Period [Member]
One To Two Year Service Period [Member]
Perception march 2020 notes [Member].
Perception March 2020 Notes [Member]
Perception March 2020 Notes [Member]
Business Combination, Contingent Consideration, Liability, Noncurrent
Contingent consideration liability - related party
Contingent consideration liability
Measurement Frequency [Domain]
Schedule of Variable Interest Entities [Table Text Block]
Summary of Primary Beneficiary for VIEs Consolidated Under the VIE Model
Scenario [Domain]
Foreign currency translation adjustments, net of tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Condition For Determning Consolidation Under Voting Interest Model.
Condition For Determning Consolidation Under Voting Interest Model [Member]
Condition For Determning Consolidation Under Voting Interest Model [Member]
Equity Components [Axis]
Prepayment Fee
Prepayment Fee
Prepayment Fee
Assignment Termination and Release Agreement Atra
Assignment, Termination and Release Agreement (ATRA) [Member]
Assignment, Termination and Release Agreement (ATRA) [Member]
IntelGenx Warrants [Member]
IntelGenx Warrants [Member]
IntelGenx Warrants [Member]
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Cash flows from investing activities
Gain (Loss) on Investments
Gain (Loss) on Investments, Total
Gain and immaterial amount
Gain on other investments
Compass Shareholder [Member]
Compass Notes Receivable Related Party [Member]
Compass Notes Receivable Related Party [Member]
Company's capital contribution threshold limit.
CompanyS Capital Contribution Threshold Limit
Company's capital contribution threshold limit
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Employee Benefits and Share-Based Compensation
Total unrecognized stock-based compensation expense
Stock-based compensation
New NV Notes Conversion Feature [Member]
New NV Notes Conversion Feature [Member]
New NV Notes Conversion Feature
US
Internal Revenue Service (IRS) [Member]
Fair Value Hierarchy and NAV [Domain]
Income Tax Disclosure [Abstract]
Weighted-Average Exercise Price, Exercised
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Weighted average grant-date fair value of options granted
Retirement Benefits [Abstract]
Maximum Term In Years [Member]
Maximum Term In Years [Member].
Maximum Term In Years [Member]
Line of Credit Facility, Annual Facility Fee
Line of Credit Facility, Commitment Fee Percentage
Condensed Financial Information Disclosure [Abstract]
Adjustment to Additional Paid in Capital upon Acquiring Additional Interest in Variable Interest Entity1
Adjustment to Additional Paid in Capital upon Acquiring Additional Interest in Variable Interest Entity1
Adjustment to additional paid in capital upon acquiring additional interest in variable interest entity
Increase (Decrease) in Prepaid Expense and Other Assets, Total
Increase (Decrease) in Prepaid Expense and Other Assets
Prepaid expenses and other current assets
Perception convertible notes [Member].
Perception Convertible Notes [Member]
Perception Convertible Notes [Member]
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Summary of Fair Value Measurement on Recurring Basis
Construction In Process [Member]
Construction In Process [Member]
Construction-in-process
Intangible Asset, Excluding Goodwill, after Accumulated Amortization
Intangible Assets, Net (Excluding Goodwill), Total
Net Carrying Amount
Intangible assets, net
Fair Value Disclosures [Text Block]
Fair Value Measurement
Volatility [Member]
Volatility [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Issuance of common stock upon restricted stock units vest, shares
Contingent Consideration Liability
Contingent Consideration Liability
Contingent consideration liabilities
Condensed Balance Sheet [Table Text Block]
Summary of the Assets and Liabilities for all Consolidated VIEs
Interest and Debt Expense, Total
Interest and Debt Expense
Interest expense and change in fair value of convertible notes
Depreciation, Depletion and Amortization, Total
Depreciation, Depletion and Amortization
Depreciation and amortization of long-term assets
Innoplexus AG [Member]
Innoplexus AG [Member]
Innoplexus AG [Member]
Interes rate
Investment Interest Rate
Deposits
Deposits, Total
Deposited to an escrow account
Machinery and Equipment [Member]
Manufacturing equipment
Manufacturing Equipment [Member]
Convertible notes issued in october 2020 [Member].
Convertible Notes Issued in October 2020 [Member]
Convertible Notes Issued in October 2020 [Member]
Share-Based Payment Arrangement, Tranche Three [Member]
Tranche 3
probability of Shareholder Approvals
probability of Shareholder Approvals
Other [Member]
Other [Member]
Other
Preferred Stock, Shares Authorized
Cash and Cash Equivalents [Line Items]
2023 Subsequent Notes [Member]
Two Thousand Twenty Three SubsequentEvents Notes
Two Thousand Twenty Three SubsequentEvents Notes [Member]
Commercial milestones.
Commercial Milestones [Member]
Commercial Milestones [Member]
Derivative Contract [Domain]
Impairment of loan receivable
Impairment Of Loan Receivable
Impairment of loan receivable
Two thousand and eighteen convertible promissory notes.
Two Thousand And Eighteen Convertible Promissory Notes [Member]
2018 short-term convertible promissory notes - related parties
Class of Stock [Axis]
Secondary Sale [Member]
Secondary Sale [Member]
Secondary Sale [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Conversion of New NV Notes into common share
Schedule of gross tax loss carryforward for tax return purpose
Summary of gross tax loss carry forward for tax return purpose table text block
Summary of gross tax loss carry forward for tax return purpose table text block
Directed Share Program [Member]
Directed Share Program
Contingent Value Right
Contingent Value Right Maximum Payment Per Share Amount
Contingent Value Right Maximum Payment Per Share Amount
Counterparty Name [Axis]
Operating Leases, Future Minimum Payment Receivable, in Five Years
Operating Leases, Future Minimum Payment Receivable, in Five Years
2030
Short Term Convertible Promissory Note Conversion Option Related Party
Short Term Convertible Promissory Note Conversion
Short-term convertible promissory note conversion option - related party
Term Loan Receivable [Member]
Term Loan Receivable Member
Term Loan Receivable [Member]
Measurement Input, Expected Term [Member]
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Remaining Contractual Terms.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Remaining Contractual Terms
Weighted- Average Remaining Contractual Term (Years),Options exercisable as of June 30, 2026
Number of Operating Segments
Number Of Operating Segments
Property and equipment
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Equipment
Unrealized gain (loss)
Crypto Asset, Realized and Unrealized Loss, Operating and Nonoperating
Unrealized loss
Acquisitions
Acquisitions [Policy Text Block]
Acquisitions.
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Number of options outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability, extinguishment of liability.
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Extinguishment of Liability
Extinguishment of liability
Recently Issued Accounting Pronouncements [Policy Text Block]
Recently Issued Accounting Pronouncements.
Recently Issued Accounting Pronouncements Not Yet Adopted
OTF Technology [Member]
OTF Technology [Member]
OTF Technology
New Consulting Agreement
New Consulting Agreement [Member]
New Consulting Agreement [Member]
Business Combination, Contingency Recognized at Acquisition Date, Liability Assumed, Fair Value
Purchase consideration for the noncontrolling interest and recognized as a liability
Additional Units Term [Member].
Additional Units Term [Member]
Additional Units Term [Member]
Total Stockholders' Equity Attributable to ATAI Life Sciences N.V. Stockholders
Parent [Member]
Condensed Financial Statements [Table Text Block]
Schedule of IGX results from the acquisition consolidated statements of operations
Receivable [Domain]
Proceeds from Issuance Initial Public Offering
Proceeds from issuance of IPO
Proceeds from initial public offering
Variable Interest Entities and Voting Interest Entities
Consolidation, Variable Interest Entity, Policy [Policy Text Block]
Segments
Segment Reporting, Policy [Policy Text Block]
Research and development services.
Research And Development Services [Member]
Presight roman two LP.
Presight Roman Two LP [Member]
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive loss:
Concentration Risk Benchmark [Domain]
Business Combination [Table Text Block]
Schedule of Business Acquisitions by Acquisition
Other Expenses Net [Member]
Other Expenses Net [Member]
Other Expenses, net
Weighted-Average Exercise Price, Cancelled or forfeited
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
IntelGenx Technologies Corp [Member]
IntelGenx Technologies Corp [Member]
IntelGenx Technologies Corp. [Member]
Government Grant [TextBlock]
Government Grant [TextBlock]
Share based Compensation Arrangement By Share based Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Exercisable.
Share based Compensation Arrangement By Share based Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Exercisable
Aggregate Intrinsic Value,Options exercisable
Initial conversion price
Debt Instrument, Convertible, Conversion Price
Debt conversion price
Accrued Liabilities, Current
Accrued liabilities
Total
CBT holding [Member]
CBT holding [Member]
Restructuring expense
Restructuring costs expensed during the period
Restructuring Costs
Restructuring Costs, Total
Reimbursement received
Increase (Decrease) in Insurance Settlements Receivable
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Number of options outstanding, including both vested and non-vested options.
Long-Term Debt, Current Maturities, Total
Long-Term Debt, Current Maturities
Less: current maturities
Less: current maturities
Customer [Axis]
Variable Interest Entity Disclosure [Text Block]
Variable Interest Entities
Measurement Input, Discount Rate [Member]
Measurement Input, Discount Rate [Member]
Legal & Intellectual Property Fees [Member]
Legal & Intellectual Property Fees [Member]
Legal & Intellectual Property Fees
Intangible Asset, Goodwill and Other [Abstract]
Investments, All Other Investments [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares
Share based payment arrangements, Options cancelled
Number of options Outstanding as of June 30, 2026
Number of Options Outstanding as of December 31, 2025
gBelBuca manufacturing contract [Member]
gBelBuca manufacturing contract [Member]
gBelBuca manufacturing contract
Research and Development Costs
Research and Development Expense, Policy [Policy Text Block]
Document Type
Document Type
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and Cash Equivalents
Service and performance based options.
Service and Performance Based Options [Member]
Service and Performance Based Options [Member]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Cash flows from operating activities
Liabilities and Equity [Abstract]
Liabilities and Stockholders' Equity
Equity Method Investment [Table]
Cumulative Effect, Period of Adoption [Domain]
Otsuka agreement.
Otsuka Agreement [Member]
Otsuka Agreement [Member]
Subsequent Event [Member]
Subsequent Event [Member]
Loss from operations
Loss from operations
Operating Income (Loss)
DemeRx IB, Inc. [Member]
DemeRx IB, Inc. [Member]
Demerx Ib Inc. Member
Measurement Input, Risk Free Interest Rate [Member]
Upfront deposit
Margin Deposit Assets
Sale of Stock, Price Per Share
Price per share
Conversion price per share in cash
Specified Performance Based Vesting [Member]
specified performance-based vesting.
Specified Performance Based Vesting [Member]
Intangible Asset, Indefinite-Lived [Table]
DemeRx IB [Member]
DemeRx IB [Member]
DemeRx IB [Member].
Research And Development Services Revenue [Member]
Research And Development Services Revenue [Member]
Research and development services revenue [Member]
Research and development services revenue
Loans Receivable [Member]
Segment Reporting [Table]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value
Business Combination, fair value of the noncontrolling interest issued
Asset Class [Domain]
Securities Act File Number
Adjustments to Additional Paid in Capital, Other
Settlement of issuance cost
Option Exercisable [Member]
Option Exercisable Member
Option Exercisable [Member]
Psyber, Inc. [Member]
Psyber Inc. Member
Debt instrument, convertible, expected discount percentage from share price.
Debt Instrument, Convertible, Expected Discount Percentage from Share Price
Debt conversion price, discount percentage
Hurdle Share Option Plan.
Hurdle Share Option Plan [Member]
Hurdle Share Option Plan [Member]
Revenue from Contract with Customer [Text Block]
Revenue
Contingent Liabilities
Contingent Liabilities
Contingent Liabilities
Volatility
Volatility
Volatility
Equity Method Investment, Summarized Financial Information [Abstract]
Measurement Input, Exercise Price [Member]
Compass Pathfinder Holding Limited [Member]
Compass Pathfinder Holding Limited Member
Compass Pathfinder Holding Limited [Member]
Schedule of future minimum commitments maturity operating leases
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Location, Statement of Income, Balance [Axis]
Unit Purchase Price Year Three [Member].
Unit Purchase Price Year Three [Member]
Unit Purchase Price Year Three [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Risk-free interest rate (Minimum)
Accumulated Deficit
Retained Earnings [Member]
2020 Convertible Notes.
2020 Convertible Notes [Member]
2020 Convertible Notes [Member]
Prepayment occurs on or prior to the first anniversary
Prepayment occurs on or prior to the first anniversary[Member]
Prepayment occurs on or prior to the first anniversary[Member]
Perception note purchase agreement.
Perception Note Purchase Agreement [Member]
Measurement Input, Expected Dividend Rate [Member]
Entity Registrant Name
Registrant Name
Borrowings outstanding
Borrowings Outstanding
Borrowings outstanding.
Current Income Tax Expense (Benefit)
Income Tax Expense
Current Income Tax Expense (Benefit), Total
Restructuring liability, Beginning Balance
Restructuring Reserve
Restructuring Liability
Restructuring liability , Ending Balance
Restructuring Reserve, Total
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Depreciation, Total
Depreciation
Depreciation and amortization expense
Emerging Growth Company Status
Emerging Growth Company Status [Policy Text Block]
Emerging growth company status.
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net loss
Net loss
Net gain (loss)
Debt Instrument, Unamortized Discount (Premium), Net, Total
Debt Instrument, Unamortized Discount (Premium), Net
Less: unamortized issuance discount
Less: unamortized issuance discount
Loan agreement
Loan Agreement
Loan agreement
License agreement terms
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation
Accrued Rent
Accrued Rent
Accrued rent
BPL-003 Expenses [Member]
BPL-003 Expenses [Member]
BPL-003
Entity Address, Address Line One
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
Accrued Liabilities
Notes Receivable, Fair Value Disclosure
Short-term notes receivable - related party, net
Notes receivable, fair value disclosure
Line of Credit Facility, Maturity Date
Line of Credit Facility, Expiration Date
Other Receivables
Other Receivables
Investment In Preferred Stock
Investment In Preferred Stock
Investment in Preferred Stock
Net Income (Loss) Attributable to Noncontrolling Interest, Total
Net Income (Loss) Attributable to Noncontrolling Interest
Net loss attributable to redeemable noncontrolling interests
Net loss attributable to noncontrolling interests
Summary of fair value of the Beckley Additional Warrants
Fair value of the Additional Warrants
Fair value of the Additional Warrants
Milestone payments.
Milestone Payments [Axis]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Number of Options, Exercised
Number of options, Exercised
Issuance of common stock upon exercise of stock options, shares
Equity method investment shares transaction date.
Equity Method Investment Shares Transaction Date
Equity method investment, Shares transaction date
Variable Interest Entity [Axis]
Variable Interest Entity Axis
Two Thousand Twenty Three Term Loan Note [Member]
Two Thousand Twenty Three Term Loan Note [Member]
Two Thousand Twenty Three Term Loan Note [Member]
Liabilities assumed:
Business Combination, Recognized Liability Assumed, Liability [Abstract]
Restructuring Cost [Table]
Business Combination, Contingent Consideration, Liability, Measurement Input
License transaction, measurement input
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Weighted-Average Exercise Price Options exercisable as of June 30, 2026
Total current assets
Assets, Current
Current assets
Face value of convertible notes
Debt Instrument, Convertible, Carrying Amount of Equity Component
Furniture and Fixtures [Member]
Furniture and fixtures
Fair Value, Recurring and Nonrecurring [Table]
Recognify [Member].
Recognify [Member]
Recognify [Member]
Earnings Per Share, Policy [Policy Text Block]
Net Income (Loss) per Share Attributable to Common Stockholders
Unvested Stock Options [Member]
Unvested Stock Options [Member]
Unvested Stock Options [Member]
Segments [Axis]
Income Tax Authority, Name [Domain]
Credit received
Cash Available for Distributions
Proceeds from Issuance of Secured Debt
Secured debt
Conversion Upon Financing Event [Member]
Conversion Upon Financing Event [Member]
Supplemental disclosures:
Supplemental Cash Flow Information [Abstract]
ATAI Life Sciences N.V. Shareholders [Member]
ATAI Life Sciences N.V. Shareholders [Member]
ATAI Life Sciences N.V. Shareholders [Member]
Number Of Time Steps [Member].
Number Of Time Steps [Member]
Number Of Time Steps [Member]
Related Party Transactions Disclosure [Text Block]
Related Party Transactions
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest, Total
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest
Comprehensive income/Loss attributable to noncontrolling interests
Comprehensive income/Loss attributable to noncontrolling interests
Two Thousand Twenty Five Restructuring [Member]
Two Thousand Twenty Five Restructuring [Member]
2025 Restructuring Member
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total
Total identifiable net assets acquired
Long-Term Debt, Measurement Input
Entity Small Business
Risks and Uncertainties
Risks And Uncertainties [Policy Text Block]
Risks and uncertainties.
Variable Interest Entity [Line Items]
Prepayment principal amount percentage
Prepayment Principal Amount Percentage
Prepayment Principal Amount Percentage
In Process Research and Development [Member]
In Process Research and Development
HSOP Shares.
HSOP Shares [Member]
HSOP Shares [Member]
Investment, Name [Domain]
Exclusivity fee, First Installment
Exclusivity fee, First Installment
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value, Total
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value
Fair value of debt securities
Investment in debt securities at fair value
Pre-funded warrant liabilities
Pre-funded warrant liabilities
Pre-funded warrant liabilities
Weighted Average Grant Date Fair Value, Forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Long-Term Debt, Type [Axis]
Amended and Restated Loan Agreement [Member]
Amended and Restated Loan Agreement [Member]
Amended and restated loan agreement.
Accounts Receivable, after Allowance for Credit Loss, Current
Accounts Receivable, after Allowance for Credit Loss, Current, Total
Accounts receivable, net
Convertible Debt Issue Description [Domain]
Convertible Debt Issue Description Domain
Operating Leases, Future Minimum Payment Receivable, in Four Years
Operating Leases, Future Minimum Payment Receivable, in Four Years
2029
Embedded Derivative, Gain on Embedded Derivative
Gain from change in fair value of the derivative liability
Gain (loss) from change in fair value of the derivative liability
Other Assets
Other Assets, Total
Other assets
Subscription Agreements
Subscription Agreements [Member]
Subscription Agreements [Member]
HSOP Plan [Member]
HSOP plan.
HSOP Plan [Member]
HSOP Plan[Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Restructuring and Related Activities [Abstract]
Probability of Close of License Transaction [Member]
Probability of Close of License Transaction [Member]
COMPASS Pathways Plc Two [Member]
COMPASS pathways plc two.
COMPASS Pathways Plc Two [Member]
Business Combination, Consideration Transferred, Liabilities Incurred
Estimated fair value of contingent consideration
Earnings Per Share [Abstract]
Investment, Policy [Policy Text Block]
Investment Securities Portfolio
Unit Purchase Price Year Two [Member].
Unit Purchase Price Year Two [Member]
Unit Purchase Price Year Two [Member]
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Summary of Share-Based Payment Arrangement, Option, Activity
Ordinary Shares Issued
Ordinary Shares Issued
Ordinary Shares Issued
Agreements [Domain]
Agreements [Domain]
Finite-Lived Intangible Assets Accumulated Impairment
Finite-Lived Intangible Assets Accumulated Impairment
Impairment
Thereafter
Intangible Asset, Finite-Lived, Estimated Amortization Expense, after Year Five
Proceeds from Sale of Intangible Assets
Proceeds from licensing and collaboration arrangement
Recognify Two Thousand Twenty Equity Incentive Plan [Member]
Recognify Two Thousand Twenty Equity Incentive Plan.
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Acquired In-Process Research And Development
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Acquired In-Process Research And Development
Acquired in-process research and development
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Proceeds from Divestiture of Businesses, Net of Cash Divested, Total
Proceeds from Divestiture of Businesses, Net of Cash Divested
Cash proceeds from certain permitted sources
Stock-based compensation expense [Member]
Deferred Compensation, Share-Based Payments [Member]
Plan Name [Axis]
Subsequent Event Type [Axis]
Crypto Asset, Fair Value
Crypto Asset, Fair Value, Total
Digital assets_Beginning Period Fair Value
Digital assets_Ending Period Fair Value
Tranche 1A
Share-Based Payment Arrangement, Tranche One A [Member]
Share-Based Payment Arrangement, Tranche One A [Member]
Net income (loss) per share.
Net Income (Loss) Per Share [Table]
Two Thousand Twenty Four Warrants Member
Two Thousand Twenty Four Warrants Member
2024 Warrants [Member]
Lessor, Leases [Policy Text Block]
Leases
Product and Service [Domain]
Share-Based Payment Arrangement [Member]
Options to purchase Common Stock
Equity [Text Block]
Stockholders' Equity
SMC and Koch advisory agreements [Member]
SMC and Koch advisory agreements [Member]
Measurement Frequency [Axis]
Service, Other [Member]
Market capitalization daily basis
Market capitalization daily basis
Market capitalization daily basis
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Cash flows from financing activities
Amortization of Debt Discount (Premium)
Amortization of debt discount
Fair Value by Liability Class [Domain]
Common Shares Purchased by Related Party
Common Shares Purchased by Related Party
Common Shares Purchased by Related Party
Intangible Asset, Impairment [Table Text Block]
Schedule of Impaired Intangible Assets
Amandala Neuro Limited Notes Receivable [Member]
Amandala Neuro Limited Notes Receivable [Member]
Liabilities, Noncurrent, Total
Liabilities, Noncurrent
Noncurrent liabilities
Equity Ownership Interest Percentage
Equity Ownership Interest Percentage
Equity ownership interest percentage
Accrued Liabilities, Current [Abstract]
Equity Method Investment, Description of Principal Activities
Equity Method Investment, Description of Principal Activities
Liabilities [Abstract]
Liabilities:
Right of use asset obtained in exchange for operating lease liabilities.
Right of Use Asset Obtained in Exchange for Operating Lease Liabilities
Right-of-use assets obtained in exchange for new operating lease liabilities
Change in fair value of other investments held at fair value
Change in fair value of other investments held at fair value
Fair Value, Option, Changes in Fair Value, Gain (Loss)
Unrealized loss on other investments held at fair value
Change in fair value of assets and liabilities, net
Increase (Decrease) in Derivative Assets and Liabilities
Increase (Decrease) in Derivative Assets and Liabilities
Entity Tax Identification Number
Line of Credit Agreements [Member]
Line of Credit Agreements [Member]
DemeRx [Member]
DemeRx [Member]
DemeRx [Member]
InnarisBio, Inc. [Member]
Innarisbio Inc. Member
Fair Value Volatility Rate
Fair Value Volatility Rate
Fair Value Volatility Rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum 1
Share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate, maximum.
Risk-free interest rate, Maximum
Conversion of convertible notes to common stock, Shares
Stock Issued During Period, Shares, Conversion of Convertible Securities
Conversion of convertible notes to common stock, Shares
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Summary of Fair Value Measurement on Recurring Basis, Unobservable Input Reconciliation
Valuation Approach and Technique [Axis]
Goodwill, Impairment Loss
Goodwill, Impairment Loss
Impairment of other investments
Impairment loss
Shedule Of Equity Method Investment Summarized Statement Of Operations.
Shedule Of Equity Method Investment Summarized Statement Of Operations [Table]
Derivative Instrument [Axis]
Equity Component [Domain]
Intangible Asset, Excluding Goodwill, Indefinite-Lived
Indefinite-Lived Intangible Assets (Excluding Goodwill), Ending Balance
Indefinite-Lived Intangible Assets (Excluding Goodwill), Beginning Balance
Indefinite-Lived Intangible Assets (Excluding Goodwill), Total
Indefinite-Lived Intangible Assets
Amandala Neuro Limited [Member]
Amandala Neuro Limited [Member]
Amandala Neuro Limited [Member]
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Derivative [Member]
Derivative [Member]
Entity Address, City or Town
Customer Three [Member]
Customer Three [Member]
Projected Clinical Milestone Revenue [Member]
Projected Clinical Milestone Revenue [Member]
Subscription and Circulation [Member]
Subscription and Circulation [Member]
Beckley Psytech Additional Warrants [Member]
Beckley Psytech Additional Warrants [Member]
Beckley Psytech Additional Warrants [Member]
Business Combination [Axis]
Measurement Input Type [Domain]
Intangible Asset, Finite-Lived [Line Items]
Prepaid Research And Development Related Expenses
Prepaid research and development related expenses
Deposit paid
Prepaid research and development related expenses.
Stock Issued During Period, Value, New Issues
Stock issued during period, Value
Issuance of common stock, net of issuance costs
Segments [Domain]
Valuation Technique, Discounted Cash Flow [Member]
Valuation Technique, Discounted Cash Flow [Member]
Redeemable Noncontrolling Interest [Table]
Entity Common Stock, Shares Outstanding
Equity Method Investments
Equity Method Investments
Equity Method Investments
IntelGenx Term Loan
IntelGenx Term Loan [Member]
IntelGenx Term Loan [Member]
Concentration Risk Type [Axis]
Operating Leases, Future Minimum Payment Receivable
Operating Leases, Future Minimum Payment Receivable
Total lease payments
Total lease payments
HSOP options to purchase common stock.
HSOP Options To Purchase Common Stock [Member]
HSOP options to purchase common stock
Schedule of Outstanding debt obligations
Schedule of Debt [Table Text Block]
Long-Term Debt [Member]
Long-Term [Member]
Partners' Capital
Partners' Capital, Ending Balance
Partners' Capital, Beginning Balance
Partners' Capital, Total
Schedule of Components of Income Tax Provision (Benefit)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Commercial Paper [Member]
Commercial Paper [Member]
2023 Initial Warrants [Member]
Two Thousand Twenty Three Initial Warrants Member
Two Thousand Twenty Three Initial Warrants [Member]
Founder.
Founder [Member]
Entity [Domain]
All Entities
Intangible Assets, Goodwill, and Digital Assets
Intangible Asset and Goodwill [Text Block]
Proceeds from Sale or Securitization, Loan and Lease, Other, Held-for-Investment
Proceeds from sale of other investment held at fair value
IntelGenx [Member]
IntelGenx [Member].
IntelGenx [Member]
Lessee, Finance Lease, Description
Description of lease term
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator:
Lessee, Finance Lease, Renewal Term
Lessee, Finance Lease, Renewal Term
Antidilutive Security, Excluded EPS Calculation [Table]
DemeRx IB, Inc [Member]
DemeRx IB, Inc [Member]
Demerx Ib Inc [Member]
Foreign currency translation adjustment, net of tax.
Foreign currency translation adjustment, net of tax
Foreign currency translation adjustment, net of tax
Foreign currency translation adjustment, net of tax
Member of the management team.
Member Of The Management Team [Member]
Stock Purchase Agreement [Member].
Stock Purchase Agreement [Member]
Stock Purchase Agreement [Member]
Accumulated Deficit Net Of Tax
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Debt Securities
Statement [Table]
Probability of Success Rate [Member]
Probability of Success Rate [Member]
Probability of Success Rate [Member]
Employee Stock Ownership Plan (ESOP), Plan [Domain]
Kures Two Thousand And Nineteen Stock Option And Grant Plan.
Kures Two Thousand And Nineteen Stock Option And Grant Plan [Member]
Kures Two Thousand And Nineteen Stock Option And Grant Plan [Member]
Redeemable Noncontrolling Interests
Redeemable Noncontrolling Interests [Policy Text Block]
Redeemable Noncontrolling Interests.
Total lease cost
Lease payments
Lease, Cost
Share Based Compensation Expenses
Share-Based Payment Arrangement, Expense
Share based compensation expenses
Total loss before income taxes
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Net loss before income taxes
Common shares
Common Stock, Value, Subscriptions
Entity Shell Company
Time until maturity
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Weighted average expected term in years
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Net cash provided by (used in) investing activities
Additional Warrants [Member].
Additional Warrants [Member]
Additional Warrants [Member]
Statement [Line Items]
Statement [Line Items]
Common stock, Conversion basis
Common stock, conversion basis
Common Stock, Conversion Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Escalation factor
Percentage Of Escalation Factor
Percentage Of Escalation Factor
Schedule of Non Controlling Interest Recognized to Its Consolidated VIEs Roll Forward
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block]
Previously Reported [Member]
Previously Reported [Member]
Licenses Of Intellectual Property
Licenses Of Intellectual Property [Policy Text Block]
Licenses of Intellectual Property
PsyProtix Purchase Agreement [Member]
Psyprotix Purchase Agreement Member
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Number of options,Vested
Number of options,Vested
Number of options,Vested
Maximum [Member]
Maximum [Member]
Maximum [Member]
Debt Conversion, Original Debt, Amount
Debt carrying value
Gerd Kochendoerfer [Member]
Gerd Kochendoerfer [Member]
Gerd Kochendoerfer [Member]
Equity Method Investment, Aggregate Cost
Purchase price of investment
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Change in fair value
Prepaid expenses and other current assets
Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current
Qualified Financing Transactions [Member]
Qualified Financing Transactions [Member]
Debt Disclosure [Abstract]
2020 Convertible Notes [Member]
2020 Convertible Promissory Notes [Member]
Two Thousand Twenty Convertible Promissory Notes [Member]
Sale of Stock [Domain]
Investment Owned, Cost
Payment made for purchase of shares
Interest income
Investment Income, Interest
Fair value of ordinary shares
Aggregate Amount of Notes Conversion
Debt Conversion, Converted Instrument, Amount
Business Combination [Domain]
Business Combination, Voting Equity Interest Acquired, Percentage
Business Acquisition, Percentage of Voting Interests
Percentage of voting interest acquired
Holders [Member]
Holders [Member]
Cash Paid For Common Stock Issuance Costs
Cash Paid For Common Stock Issuance Costs
Cash paid for common stock and pre-funded warrant issuance costs
Voting Agreement with Hyperion Capital Ltd [Member]
Voting Agreement with Hyperion Capital Ltd [Member]
March Term Loan Receivable [Member]
March Term Loan Receivable Member
Concentration Risk Benchmark [Axis]
InnarisBio, Inc [Member]
InnarisBio, Inc [Member]
InnarisBio, Inc [Member]
Guaranteed Insurance Contract, Type of Guarantee [Domain]
Contingencies
Commitments and Contingencies, Policy [Policy Text Block]
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Additional Contribution
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Additional Contribution
Additional contribution
Consolidation, Policy [Policy Text Block]
Consolidation
Payment for Debt Extinguishment or Debt Prepayment Cost
Cash paid for debt extinguishment
Cash paid for debt extinguishment
Subsequent Events [Abstract]
Asset Class [Axis]
Schedule of components of deferred tax assets and deferred tax liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Stock Type [Domain]
Stock Type Domain
Business Combination, IPR&D asset
Business Combination, IPR&D asset
Business Combination, IPR&D asset
Extinguishment of Debt, Type [Domain]
Weighted Average Grant Date Fair Value, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Convertable Right To Receive
Convertable Right To Receive
Converted right to receive
Perception december 2020 convertible note agreement [Member].
Perception December Two Thousand Twenty Convertible Note Agreement [Member]
Perception December 2020 Convertible Note Agreement [Member]
Unamortized end of term charge
Unamortized End Of Term Charge
Less: unamortized end of term charge
Less: unamortized end of term charge
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net, Total
Embedded Derivative Gain Loss On Embedded Derivative Net
Other Programs Expenses [Member]
Other Programs Expenses [Member]
Other programs
Equity Method Investments
Equity Method Investments [Policy Text Block]
Restructuring Cost and Reserve [Line Items]
Business Combination, Recognized Liability Assumed, Other Liability, Current
Other current liabilities
Assets, Current [Abstract]
Current assets:
Minimum proceeds expected from sale of preferred stock for debt conversion.
Minimum Proceeds Expected from Sale of Preferred Stock for Debt Conversion
Minimum proceeds expected from sale of preferred stock for debt conversion
Fair Value Measurement Conversion of Convertible Notes
Fair Value Measurement Conversion of Convertible Notes
Conversion of convertible notes
Definite Lived Intangible Assets Includes Internal Use Software Costs
Definite Lived Intangible Assets Includes Internal Use Software Costs
Definite Lived Intangible Assets Includes Internal Use Software Costs
Liability fair value
Liabilities, Fair Value Disclosure
Liability fair value
Accrued Professional Fees, Current
Accrued accounting, legal, and other professional fees
Sale of Stock, Consideration Received on Transaction
Stock Purchase Consideration, Upfront Cash Payment
Net proceed received
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
OPM [Member]
OPM [Member]
Accounting and Tax Fees [Member]
Accounting and Tax Fees [Member]
Accounting and Tax Fees
Leases [Abstract]
Stock Issued During Period, Value, Restricted Stock Award, Gross
Issuance of common stock upon restricted stock units vest
Operating Leases, Future Minimum Payment Receivable, Remainder of Fiscal Year
Operating Leases, Future Minimum Payment Receivable, Remainder of Fiscal Year
2026
Document Fiscal Year Focus
Cash payments of restructuring liabilities, net
Cash payments of restructuring liabilities, net
Payments for Restructuring
Two Thousand Twenty Three Subsequent Warrants [Member]
Two Thousand Twenty Three Subsequent Warrants [Member]
2023 Subsequent Warrants [Member]
Revenue Related To Certain Research And Development
Revenue Related To Certain Research And Development
Revenue Related To Certain Research And Development
Government Grant [Line Items]
Government Grant [Line Items]
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common Stock, Shares, Outstanding
Common stock, shares, outstanding
Warrants, Policy [Policy Text Block]
Warrants, Policy [Policy Text Block]
Warrants
Equity, Including Portion Attributable to Noncontrolling Interest
Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance
Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance
Total stockholders equity
Net loss attributable to redeemable noncontrolling interests - preferred
Net loss attributable to redeemable noncontrolling interests—preferred.
Net Loss Attributable To Redeemable Noncontrolling InterestsPreferred
Otsuka.
Otsuka [Member]
Otsuka [Member]
Restructuring Type [Axis]
Initial Warrants [Member]
Initial Warrants [Member]
Initial Warrants [Member]
Accrued Liabilities
Accrued Liabilities, Total
Accrued liabilities
Noncash or Part Noncash Acquisition, Value of Assets Acquired [Abstract]
Assets acquired:
Accrued payroll
Accrued Salaries, Current
Accrued compensation and related expenses
Financial Instruments [Domain]
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Operating Loss Carryforwards [Line Items]
Business Combination [Line Items]
Convertible Debt [Table Text Block]
Summary of convertible promissory notes
Business Combination, Consideration Transferred, Total
Business Combination, Consideration Transferred
Business Combination, consideration paid
Stock Purchase Consideration, Earn-Out Consideration Amount
Schedule of Property and Equipment
Schedule of Property and Equipment [Table Text Block]
Schedule of Property and Equipment [Table Text Block]
Forecast [Member]
Forecast [Member]
Crypto Asset, Activity [Table Text Block]
Shedule of Activity Related to the Company"s Digital Assets
Entity Ex Transition Period
Incremental fair value of atai restricted stock units issued for consideration at closing that is attributable to the post-combination entity
Incremental Fair Value Of Atai Restricted Stock Units Issued For Consideration At Closing That Is Attributable To The Post Combination Entity
Incremental Fair Value Of Atai Restricted Stock Units Issued For Consideration At Closing That Is Attributable To The Post Combination Entity
Settlement of payable to Beckley Psytech
Settlement Of Payable To Company
Settlement Of Payable To Company
Net loss attributable to noncontrolling interests - common
Net loss attributable to redeemable noncontrolling interests common.
Net Loss Attributable To Redeemable Noncontrolling Interests Common
Government Grant abstract
Government Grant abstract
Black Scholes [Member]
Black Scholes [Member]
Operating Lease, Liability, Noncurrent
Pre-funded warrant liabilities
Noncurrent portion of lease liabilities
Upfront fee reveived
Contract with Customer, Liability, Revenue Recognized
Contract with customer liability, revenue recognized
Revision of Prior Period [Domain]
Convertible Promissory Notes [Member]
Conversion of 2020 Convertible Promissory Notes [Member]
Conversion of 2020 Convertible Promissory Notes.
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Change in fair value
Conversion payment
Conversion Payment
Conversion payment
Other Expenses [Member]
Other Expenses [Member]
Other Expenses
Second tranche.
Second Tranche [Member]
Second Tranche [Member]
Escrow Agreement [Member]
Escrow Agreement [Member]
Other Accrued Liabilities, Current
Other liabilities
Security Exchange Name
Measurement Input Type [Axis]
Revenues, Total
Revenues
Revenue
Total revenue
Operating cash flows from operating leases
Operating cash flows from operating leases
Operating cash flows from operating leases
Convertible Debt, Total
Convertible Debt
Total
Related and Nonrelated Parties [Axis]
New Accounting Pronouncements, Policy [Policy Text Block]
Recently Adopted Accounting Pronouncements
Prior to the 7th anniversary [Member]
Prior To The Seventh Anniversary [Member]
Prior To The Seventh Anniversary [Member]
Warrant [Member]
Warrant [Member]
Warrant Liability [Member]
Exercise price, warrants
Class of Warrant or Right, Exercise Price of Warrants or Rights
Exercise price, warrants
One to four-year service period.
One to Four Year Service Period [Member]
One to Four Year Service Period [Member]
Entity Address, State or Province
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Unrecognized stock based compensation compensation, Expected period of recognition
Accounts receivable
Accounts Receivable, after Allowance for Credit Loss
Accounts Receivable, after Allowance for Credit Loss, Total
Accounts receivable
Beckley Psytech Escrow Agreement [Member]
Beckley Psytech Escrow Agreement [Member]
Beckley Psytech Escrow Agreement [Member]
Series A Preferred Stock [Member]
Series A Preferred Stock [Member]
Business Combination, Price Per Share
Business Acquisition Share Price
IntelGenx Convertible Notes Receivable [Member]
IntelGenx Convertible Notes Receivable [Member]
IntelGenx Convertible Notes Receivable
Operating Lease, Right-of-Use Asset
Right-of-use assets, net
Operating lease right-of-use assets, net
discount rate
discount rate
Discount rate
Business Combination, Contingent Consideration, Type [Axis]
Amendment Flag
Amendment
Convertible Debt Issue Description [Axis]
Convertible Debt Issue Description Axis
Proceeds from issuance of pre-funded warrants
Proceeds from issuance of pre-funded warrants
Stock-Based Compensation
Share-Based Payment Arrangement [Text Block]
Interest rate
Receivables, Interest rate
Receivable with Imputed Interest, Effective Yield (Interest Rate)
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Numerator:
Proceeds from Sale of Notes Receivable
Proceeds from repayment of notes receivable
Concentration Risk, Percentage
Concentration risk, percentage
Drewings from Escrow Account
Drewings from Escrow Account
Drewings From Escrow Account
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Sublease income
Sublease income
Sublease Income
Crypto Asset, Purchase
Cash paid for Bitcoin
Debt Instrument [Axis]
Other Nonoperating Income (Expense)
Other income (expense), net
Other Nonoperating Income (Expense), Total
Interest Expense, Debt, Excluding Amortization
Interest expense
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Total
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Cash, cash equivalents and restricted cash - beginning of the period
Cash and cash equivalents - end of the period
July 2025 PIPE Financing [Member]
July 2025 PIPE Financing [Member]
July 2025 PIPE Financing [Member]
Proposed Lilly Merger Agreement [Member]
Proposed Lilly Merger Agreement [Member]
Contingent Consideration Liability [Member]
Contingent Consideration Liability [Member]
Contingent Consideration Liability [Member]
Redeemable Noncontrolling Interests
Redeemable Noncontrolling Interest [Member]
Redeemable Noncontrolling Interest Member
Variable Interest Entity [Table]
Corporate Bond Securities [Member]
Corporate Notes/Bonds [Member]
Crypto Asset Addition Unit
Crypto Asset Addition Unit
Additions, Unit
City Area Code
Debt securities carried at fair value
Debt securities carried at fair value
Securities carried at fair value
Interest expense
Interest Expense, Nonoperating
Interest Expense, Nonoperating, Total
Interest expense
Details.
Details [Axis]
Preferred Stock [Member]
Preferred Stock [Member]
Share Based Payment Arrangement Tranche One D [Member]
Share Based Payment Arrangement Tranche One D [Member]
Tranche 1D
Fair value option.
Fair Value Option [Policy Text Block]
Fair Value Option
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Class of Financing Receivable [Domain]
Deferred purchase credit
Deferred purchase credit
Deferred credit
Proceeds from Issuance of Common Stock
Proceeds from issuance of common stock
Common stock issuance price, cash
Accounting Policies Table.
Accounting Policies Table [Table]
Number of options, Cancelled or forfeited
Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled or Forfeitures In Period
Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled or Forfeitures In Period
License [Member]
License [Member]
License revenue
Purchase Of Property And Equipment In Accounts Payable
Purchase Of Property And Equipment In Accounts Payable
Purchase of property and equipment in accounts payable
VLS-01 Expenses [Member]
VLS-01 Expenses [Member]
VLS-01
Shares released underlying the replacement from the lock-up
Underlying Investment, Shares
Underlying Investment, Shares
Beckley Psytech Acquisition [Member]
Beckley Psytech Acquisition [Member]
Agreement [Axis]
Agreement.
Conversion Payments
Conversion Payments
Schedule of Investments [Table]
Restricted Cash
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Operating Expenses [Abstract]
Operating expenses:
IntelGenx Investments Held at Fair Value [Member]
IntelGenx Investments Held at Fair Value [Member]
IntelGenx Investments Held at Fair Value
Computer Equipment [Member]
Computer equipment
Accrued restructuring costs
Accrued restructuring costs
Accrued restructuring costs
Asset Acquisition, Contingent Consideration [Table Text Block]
Schedule of Fair Values of Consideration paid
Consulting agreement
Consulting Agreement [Member]
Crypto Asset, Fair Value Unit
Crypto Asset, Fair Value Unit
Digital assets_Beginning Period Units
Digital assets_Ending Period Units
Crypto Asset, Addition
Additions
Beckley Psytech Limited [Member]
Beckley Psytech Limited [Member]
Beckley Psytech Limited [Member]
DemeRx IB Promissory Note Agreement
Promissory Note Agreement [Member]
Promissory Note Agreement Member
Finite-Lived Intangible Assets, Fair Value Disclosure
Digital assets
Convertible promissory notes and derivative liability noncurrent, Related party
Convertible Promissory Notes And Derivative Liability Noncurrent, Related Party.
Convertible Promissory Notes And Derivative Liability Noncurrent, Related Party
Common stock, par value
Issuance of common stock shares par value
Common Stock, Par or Stated Value Per Share
Legal Entity [Axis]
Legal Entity:
Cash and Cash Equivalents [Abstract]
Cash equivalents:
Neuronasal Inc.
Neuronasal Inc [Member]
Neuronasal Inc [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term
Company granted to the Underwriter an option exercisable
Weighted-Average Remaining Contractual Term (Years), Options exercisable as of June 30, 2026
Change of fair value of digital assets
Change of fair value of digital assets
Change in fair value of digital assets
Change in fair value of digital assets, net
EMP-01 Expenses [Member]
EMP-01 Expenses [Member]
EMP-01
Short-term notes receivable, net
Short-Term Notes Receivable, Net
Short-Term Notes Receivable, Net
Details.
Details [Domain]
Number of options, Options vested and expected to vest
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Share based payment arrangement, Options expected to vest outstanding
Short-Term Debt, Type [Domain]
Liabilities, Current
Total current liabilities
Current liabilities
Change In control [Member].
Change In control [Member]
Change In control [Member]
Mr Angermayer.
Mr Angermayer [Member]
Qualified sale of preferred stock [Member].
Qualified Sale of Preferred Stock [Member]
Qualified Sale of Preferred Stock [Member]
Leasehold Improvements [Member]
Leasehold improvements
Settlement Of Accounts Payable
Settlement Of Accounts Payable
Settlement of accounts payable
Federal Loan Bank, Advance
Federal Loan Bank, Advance
Term loan advance
Convertible Notes Receivable.
Convertible Notes Receivable [Member]
Convertible Notes Receivable [Member]
Deferred Compensation Arrangement with Individual, Shares Issued
Deferred Payment shares
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization
Property, Plant and Equipment, Gross, Ending Balance
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Total
Property and Equipment
Business Combination, Contingent Consideration, Type [Domain]
Short-Term Debt [Member]
Short-Term [Member]
Assets acquired and liabilities assumed
Assets Acquired and Liabilities Assumed [Abstract]
Assets Acquired and Liabilities Assumed [Abstract]
Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block]
Summary of Employee Stock Ownership Plan (ESOP) Disclosures
Segment Reporting [Text Block]
Segmental Reporting
Debt Securities, Available-for-Sale [Table Text Block]
Schedule of fair value of our available-for-sale debt securities portfolio
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax
Unrealized foreign exchange (gain) loss
Unrealized foreign exchange (gain) loss
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Qualified Financing Transaction [Member]
Qualified Financing Transaction [Member]
Trading Symbol
Recognify Life Sciences, Inc. [Member]
Recognify Life Sciences Inc. Member
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs
Issuance cost
Noncontrolling Interest [Line Items]
Equity Method Investment, Nonconsolidated Investee [Domain]
Geographical [Axis]
Fair Value Measurement, Policy [Policy Text Block]
Fair Value Measurements
Subsequent Event [Table]
Weighted- Average Remaining Contractual Term (Years),Options vested and expected to vest
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted-Average Remaining Contractual Term
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Number of Options, Granted
Share based payment arrangements, Equity instruments other than options granted
Entity Emerging Growth Company
Loan agreement description
Loan Agreement description
Loan Agreement description
Schedule of Other Investments Held at Fair Value
Other Investments Not Readily Marketable [Table Text Block]
Comprehensive loss attributable to redeemable noncontrolling interests and noncontrolling interests
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
Net loss attributable to noncontrolling interests
Net loss attributable to noncontrolling interests
Other income (expense)
Perception Neuroscience Holdings Inc. Member
Perception Neuroscience Holdings, Inc. [Member]
Subsegments [Axis]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
OperatingLeasesFutureMinimumPaymentReceivableInAfterFiveYears
OperatingLeasesFutureMinimumPaymentReceivableInAfterFiveYears
2031
Accrued payroll
Accrued external research and development expenses current.
Accrued External Research And Development Expenses Current
Accrued external research and development expenses
Significant Accounting Policies [Policy Text Block]
Significant Accounting Policies [Policy Text Block]
Significant Accounting Policies
Receivables [Abstract]
Derivative, Fair Value, Net
Derivative, Fair Value, Net, Total
Fair value
Long-Term Debt, Gross
Long-term Debt
Less: unamortized end of term charge
Plan Name [Domain]
Other liabilities
Other Liabilities, Noncurrent
Other Liabilities, Noncurrent, Total
Other non-current liabilities
Share-Based Payment Arrangement, Tranche One [Member]
Tranche 1
Class A Common Shares [Member]
Common Class A [Member]
Prepaid Insurance
Prepaid insurance
Defined Contribution Plan [Text Block]
Defined Contribution Plan
US Treasury Securities [Member]
U.S. Treasuries [Member]
Business Combination [Table]
Measurement Input, Price Volatility [Member]
Measurement Input, Price Volatility [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Aggregate Intrinsic Value,Exercised
Cash payments conditioned on achievement
Cash Payments Conditioned On Achievement
Cash Payments Conditioned On Achievement
Probability of Issuances Under Deferred Equity Arrangement [Member]
Probability of Issuances Under Deferred Equity Arrangement [Member]
Revision of Prior Period [Axis]
ATAI LIFE SCIENCES N.V. [Member].
ATAI LIFE SCIENCES N.V. [Member]
ATAI LIFE SCIENCES N.V. [Member]
Change In Fair Value Of Assets And Liabilities, Net
Change In Fair Value Of Assets And Liabilities, Net
Change in fair value of assets and liabilities, net
Change in fair value of assets and liabilities, net
Debtor in Possession Loan [Member]
Debtor in Possession Loan [Member]
Debtor In Possession Loan [Member]
Cover [Abstract]
Cover
TryptageniX-ATAI Stock Purchase Agreement [Member]
TryptageniX-ATAI Stock Purchase Agreement [Member]
TryptageniX-ATAI Stock Purchase Agreement [Member]
Germany
Federal Ministry of Finance, Germany [Member]
Segment Reporting, Other Segment Item, Amount
Other segment items
Debt Instrument, Convertible, Number of Equity Instruments
Number of Equity Instruments
Value Of Underlying [Member].
Value Of Underlying [Member]
Value Of Underlying [Member]
Business acquisition, shares, cash contribution
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value
Share consideration issued to the Sellers
Share based payment arrangements, award vesting date
Share Based Payment Arrangements, Award Vesting Date
Share Based Payment Arrangements, Award Vesting Date
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Summary of Fair Value Measurement Inputs and Valuation Techniques
Stockholders' Equity Attributable to Noncontrolling Interest, Total
Equity, Attributable to Noncontrolling Interest
Closing balance
Opening balance
Noncontrolling interests
Operating Lease, Weighted Average Remaining Lease Term
Operating Lease, Weighted Average Remaining Lease Term
Revenue from Contract with Customer [Abstract]
Second Tranche Funding [Member].
Second Tranche Funding [Member]
Second Tranche Funding [Member]
Contingent Consideration Classified as Equity, Fair Value Disclosure
Fair value of the contingent milestone and royalty liabilities
Long-Term Debt, Type [Domain]
Service fees
Professional Fees
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income, Begning Balance
Accumulated Other Comprehensive Income, Ending Balance
Concentrations of Credit Risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Extinguishment contingent commitment liability
Extinguishment of Contingent Commitment Liability
Extinguishment of Contingent Commitment Liability
Amortization of Intangible Assets
Intangible Asset, Finite-Lived, Amortization Expense
Amortization of Intangible Assets
Share-based Payment Arrangement, Noncash Expense, Total
Share-Based Payment Arrangement, Noncash Expense
Stock-based compensation expense
Additional Term Loan Receivable [Member]
Additional Term Loan Receivable Member
Additional paid-in capital
Additional Paid in Capital
Additional Paid in Capital, Total
Additional Paid In Capital, Begning Balance
Additional Paid In Capital, Ending Balance
Common Stock Par Or Stated Value Reduction
Common Stock Par Or Stated Value Reduction
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Adjustments to reconcile net loss to net cash used in operating activities:
Fair Value Disclosures [Abstract]
Cash and Cash Equivalents, at Carrying Value, Ending Balance
Cash and Cash Equivalents, at Carrying Value, Beginning Balance
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalent
Cash and cash equivalents
Cash and cash equivalents
Amended GABA PSPA
Amended GABA PSPA [Member].
Amended GABA PSPA [Member]
Stock Type [Axis]
Stock Type Axis
Two Thousand Twenty Three Subsequent Notes [Member]
Two Thousand Twenty Three Subsequent Notes [Member]
2023 Subsequent Notes [Member]
Licensing Transaction [Member].
Licensing Transaction [Member]
Licensing Transaction [Member]
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)
Change in fair value - Other
One Year Service Period [Member]
One Year Service Period[Member]
One Year Service Period[Member]
Noncontrolling Interests
Noncontrolling Interest [Member]
Equity Method Investment, Nonconsolidated Investee [Axis]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest
Foreign currency translation adjustments, net of tax attributable to noncontrolling interests
Foreign currency translation adjustments, net of tax attributable to noncontrolling interests
Employee Stock [Member]
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Net cash provided by financing activities
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Ending Balance
Beginning Balance
Prepayment occurs after the second anniversary
Prepayment occurs after the second anniversary [Member]
Prepayment occurs after the second anniversary [Member]
Business Combination, Recognized Liability Assumed, Accounts Payable, Current
Accounts payable
Contingent Consideration Liability [Policy Text Block]
Contingent consideration liability related parties.
Contingent Consideration Liabilities
Depreciation [Member]
Depreciation [Member]
Depreciation and Amortization
Intangible Assets, Current
Definite-lived intangible assets
Intangible assets
Equity Method Investment, Quoted Market Value
Market value of the Company's ownership
Net income (loss) attributable to ATAI Life Sciences N.V. shareholders - basic (numerator)
Net income (loss) attributable to ATAI Life Sciences N.V. shareholders - basic (numerator)
Net Income (Loss) Available to Common Stockholders, Basic
Net loss attributable to AtaiBeckley Inc. stockholders - basic
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Number of options,Cancelled or forfeited
Number of options,Cancelled or forfeited
Notes Receivable [Table]
Notes Receivable Table
Psyber, LLC [Member]
Psyber Llc Member
Entity Filer Category
Debt Instrument, Name [Domain]
Supply Agreement [Member]
Supply Agreement Member
Supply Agreement [Member]
Common Stock Issuance Costs in Accounts Payable and Accrued Liabilities
Common stock issuance costs in accounts payable and accrued liabilities
Common stock and pre-funded warrant issuance costs in accounts payable and accrued liabilities
Business Combination, Preferred stock shares
Preferred Stock, Discount on Shares
GERMANY
Germany [Member]
EntheogeniX [Member].
EntheogeniX [Member]
EntheogeniX [Member]
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One
2026
Notes Receivable [Policy Text Block]
Notes Receivable
Notes Receivable.
Property, Plant and Equipment, Net, Ending Balance
Property, Plant and Equipment, Net, Beginning Balance
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Property and equipment, net
Total
Carrying Value Of Investment
Investment Owned, at Fair Value, Ending Balance
Investment Owned, at Fair Value, Beginning Balance
Investment Owned, Fair Value
Cumulative Effect, Period of Adoption [Axis]
Shares, Outstanding
Shares, Outstanding
Ending Balance, Shares
Beginning Balance, Shares
Offering costs.
Offering Costs
Offering costs
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Issuance of notes payable
Apeiron.
Apeiron [Member]
Apeiron [Member]
Change In the Fair Value Of Digital Assets
Change In the Fair Value Of Digital Assets
Noncash change in the fair value of digital assets, net
Change In the Fair Value Of Digital Assets
Measurement Input Discount Rate for Royalties on Milestones [Member]
Measurement Input Discount Rate for Royalties on Milestones [Member]
Measurement Input Discount Rate for Royalties on Milestones [Member]
Principal amount
Principal Amount
Loan, Held-in-Portfolio, Principal Outstanding
Outstanding principal balance
Weighted- Average Exercise Price, Cancelled or forfeited
Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Cancelled or Forfeited In Period Weighted Average Exercise Price
Share based compensation arrangements by share based payment award equity instruments other than options cancelled or forfeited in period weighted average exercise price.
Segment Reporting [Abstract]
Lease Agreements [Member]
Lease Agreements [Member]
Schedule of Effective Income Tax Rate Reconciliation
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Other Assets, Current
Other
Entity Address, Postal Zip Code
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, UnobservablE
Issuance costs allocated to pre-funded warrants
Issuance Costs Allocated to Pre Funded warrants
Issuance Costs Allocated to Pre Funded warrants
Statement of Financial Position [Abstract]
Conversion Price
Conversion Price
Conversion Price
Exclusivity fee, Remaining installment
Exclusivity fee, Remaining installment
Local Phone Number