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[Abstract] Asset Acquisition, Contingent Consideration, Type [Axis] Asset Acquisition, Contingent Consideration, Type [Axis] Asset Acquisition, Contingent Consideration, Type Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Class of Stock [Axis] Class of Stock [Axis] Vested and released (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Product Product [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Intangible assets, finite-lived, net Total Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Payments for royalties Payments for Royalties PRV Transfer Agreement PRV Transfer Agreement [Member] PRV Transfer Agreement Takeda Pharmaceutical Company Limited Takeda Pharmaceutical Company Limited [Member] Takeda pharmaceutical company limited. 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Award Timing Predetermined Award Timing Predetermined [Flag] Intangible Asset, Goodwill and Other [Abstract] Project [Domain] Project [Domain] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Expected to Vest, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Expected to Vest, Number Level 1 Fair Value, Inputs, Level 1 [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Pre-funded warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Dilutive effect of outstanding common stock options, ESPP shares issuable, and restricted shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Deferred research and development funding liability Increase (Decrease) In Deferred Liability, Capitalized Research and Development Costs Increase (Decrease) In Deferred Liability, Capitalized Research and Development Costs Beginning balance (usd per share) Ending balance (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Convertible preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Number of RSU shares Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Beginning balance (usd per share) Ending balance (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Operating lease right-of-use asset Operating Lease, Right-of-Use Asset Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Tenvie Therapeutics, Inc Tenvie Therapeutics, Inc [Member] Tenvie Therapeutics, Inc Risk-free interest rate, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Sanofi Sanofi [Member] Sanofi [Member] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Schedule of Future Annual Amortization Expense Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Weighted-average shares used in calculating net income (loss) per share: Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash equivalents: Cash and Cash Equivalents, Fair Value Disclosure Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Disposal Group, Including Discontinued Operations [Line Items] Disposal 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Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Net proceeds Sale of Stock, Consideration Received on Transaction Other income: Other Income, Nonoperating [Abstract] Total operating expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Inventory Inventory, Policy [Policy Text Block] Gross proceeds Disposal Group, Including Discontinued Operation, Consideration Counterparty Name [Domain] Counterparty Name [Domain] Text Block [Abstract] Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Selling, general and administrative Total selling, general and administrative expenses Selling, General and Administrative Expense Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] 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2025, respectively Common Stock, Value, Outstanding All Adjustments to Compensation All Adjustments to Compensation [Member] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Annual interest rate Royalty Funding Arrangement, Interest Rate, Effective Percentage Royalty Funding Arrangement, Interest Rate, Effective Percentage Commercial Commercial [Member] Commercial Income Statement [Abstract] Stockholders' equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Royalty Pharma Royalty Pharma [Member] Royalty Pharma Milestone payments upon achievement of 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[Member] All Individuals All Individuals [Member] Collaborative Arrangement Collaborative Arrangement [Member] Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted-Average Fair Value at Date of Grant per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Contingent payments upon achievement of milestones Contingent Payments Upon Achievement Of Milestones Contingent Payments Upon Achievement Of Milestones Intangible Assets Intangible Asset [Text Block] Statement [Line Items] Statement [Line Items] Long-term marketable securities Marketable Securities, Noncurrent Total assets Assets Convertible preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Collaborative Arrangement, ATV:TREM2 Collaborative Arrangement, ATV:TREM2 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Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Total Shareholder Return Amount Total Shareholder Return Amount Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Intangible asset amortization Intangible Asset, Finite-Lived, Amortization Expense Convertible preferred stock, $0.01 par value; 40,000,000 shares authorized as of September 30, 2026 and December 31, 2025; 0 shares issued and outstanding as of September 30, 2026 and December 31, 2025 Preferred Stock, Value, Outstanding Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Research and development Total research and development expenses Research and Development Expense Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Deferred research and development funding 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Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Schedule of Lease Costs and Supplemental Information for Lease Amounts Recognized Lease, Cost [Table Text Block] Schedule of Available for Sale Securities Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Marketable Securities Marketable Securities, Policy [Policy Text Block] Accrued manufacturing costs Accrued Manufacturing Costs Accrued Manufacturing Costs Operating activities Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Loss from operations Operating Income (Loss) Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date 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Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Issuances under equity incentive plans (in shares) Stock Issued During Period, Shares, Equity Incentive Plan Stock Issued During Period, Shares, Equity Incentive Plan Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Raw materials Inventory, Raw Materials, Net of Reserves Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Vested and released (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Organization and Description of Business Organization and Description of 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