Berotralstat Berotralstat [Member] Berotralstat Significant Accounting Policies and Concentrations of Risk Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Investments Investment, Policy [Policy Text Block] Business Combination [Abstract] Schedule of Fair Value of the Company's Investments by Type and Maturity Debt Securities, Available-for-Sale [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] 2026 (remaining) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Thereafter Lessee Operating Lease Liability To Be Paid After Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Royalty purchase agreement, royalties paid and payable Royalty Purchase Agreement, Royalties Paid and Payable Royalty Purchase Agreement, Royalties Paid and Payable Thereafter Finance Lease, Liability, to be Paid, After Year Four Finance Lease, Liability, to be Paid, After Year Four Shares reserved for future issuance under the Stock Incentive Plan Incentive Plan Incentive Plan [Member] Represents Incentive Plan. Recently Adopted Accounting Pronouncements And New Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Decrease in accounts payable and accrued expenses Increase (Decrease) in Accounts Payable Collaborative and other revenues Collaborative and Other Research and Development [Member] Information pertaining to Collaborative and other research and development. Type of Restructuring [Domain] Type of Restructuring [Domain] License and other revenues License revenue License [Member] Shares withheld for taxes for vesting of restricted stock units Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net (loss) income per common share, basic (in usd per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Total inventory Inventory, Gross Total shares reserved for future issuance Common Stock, Capital Shares Reserved for Future Issuance Revenue Revenue from Contract with Customer [Text Block] Equity Disclosure [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory Disclosure [Abstract] Employee stock purchase plan sales, net (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Shares reserved for future issuance under the Employee Stock Purchase Plan ESPP Employee Stock Purchase Plan [Member] Employee stock purchase plan, (ESPP). Contract with customer, transaction price, fixed consideration Contract with Customer, Transaction Price, Fixed Consideration Contract with Customer, Transaction Price, Fixed Consideration Annual Net Sales Over $550,000 Annual Net Sales Over $550,000 [Member] Represents annual net sales over $550,000. Adjustment to Compensation, Amount Adjustment to Compensation Amount Revenue percentage Concentration Risk, Percentage Compensation and related personnel costs Compensation And Related Personnel Costs [Member] Compensation And Related Personnel Costs Stock-based compensation expense Stock-based compensation Share-Based Payment Arrangement, Noncash Expense 2029 Finance Lease, Liability, to be Paid, Year Three Shares reserved for exercises of outstanding stock options Outstanding stock options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] BioCryst Ireland BioCryst Ireland [Member] BioCryst Ireland Research and Development Expenses Research and Development Expense, Policy [Policy Text Block] Athyrium Athyrium [Member] Represents Athyrium Opportunities III Co-Invest 1 LP (“Athyrium”). Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Common Stock Underlying Restricted Stock Units [Member] Common Stock Underlying Restricted Stock Units Cash and cash equivalents Asset Acquisition, Cash and Cash Equivalent Asset Acquisition, Cash and Cash Equivalent License Agreement License Agreement [Member] License Agreement Trade Receivables [Table] Accounts and Financing Receivables [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Royalty purchase agreement, royalties, percentage of purchase price Royalty Purchase Agreement Royalties Percentage Of Purchase Price The percentage of the purchase price under the royalty purchase agreement. Stock price utilized for payout of acquiree stock options Asset Acquisition, Stated Stock Price, Payout of Acquiree Stock Options Asset Acquisition, Stated Stock Price, Payout of Acquiree Stock Options Total stockholders’ deficit Beginning balance Ending balance Equity, Attributable to Parent Beginning balance Ending balance Royalty Financing Liabilities Royalty Financing Liabilities Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Payout of acquiree stock options, pre-combination service, amount Asset Acquisition, Payout of Acquiree Stock Options, Pre-Combination Service, Amount Asset Acquisition, Payout of Acquiree Stock Options, Pre-Combination Service, Amount Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ deficit Liabilities and Equity Annual Net Sales Range [Domain] Annual Net Sales Range [Domain] Annual Net Sales Range Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Issuance of common stock in connection with the Merger (in shares) Stock issued during period, shares, acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Shares (in thousands) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Ron Dullinger [Member] Ron Dullinger Liabilities and Stockholders’ Deficit Liabilities and Equity [Abstract] Cover [Abstract] Money market funds Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] Exercisable (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Intangible asset, useful life Finite-Lived Intangible Asset, Useful Life Remeasurement of share-based liability Adjustments to Additional Paid-in Capital, Remeasurement of Share-Based Liability Adjustments to Additional Paid-in Capital, Remeasurement of Share-Based Liability Debt instrument initial term loan percentage Debt Instrument, Interest Rate, Increase (Decrease) Accounting Policies [Abstract] Accounting Policies [Abstract] Right of use asset   Asset Acquisition, Leases, Right of Use Asset Asset Acquisition, Leases, Right of Use Asset Fair value of securities Debt Securities, Available-for-Sale, Unrealized Loss Position Schedule of Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Acquisition of Astria Therapeutics, Inc. Asset Acquisition [Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Restricted Stock Unit Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Portion of interest that may be capitalized as principal Debt Instrument, Portion Of Interest That May Be Capitalized As Principal Debt Instrument, Portion Of Interest That May Be Capitalized As Principal Total Operating Lease, Liability Obligations of U.S. Government and its agencies US Government Agencies Debt Securities [Member] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Payout of acquiree stock options, amount Asset Acquisition, Payout of Acquiree Stock Options, Amount Asset Acquisition, Payout of Acquiree Stock Options, Amount Issuance of shares to directors in lieu of cash retainer (in shares) Stock Issued During Period, Shares, Issued for Services Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Amortization of right of use assets Finance Lease, Right-of-Use Asset, Amortization Pharmakon Advisors, LP Pharmakon Advisors, LP [Member] Pharmakon Advisors, LP (Loss) income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Long-Term Debt Type [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from issuance of debt Proceeds from Issuance of Debt Royalty purchase agreement, royalties, purchase price, amount Royalty Purchase Agreement Royalties Purchase Price Amount The amount of the purchase price under the royalty purchase agreement. Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] PIK Interest Payment is Made PIK Interest Payment is Made [Member] Represents PIK interest payment is made. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Issuance of common stock during merger (in shares) Sale Of Stock, Shares, Maximum Offering Sale Of Stock, Shares, Maximum Offering Significant Accounting Policies and Concentrations of Risk [Table] Significant Accounting Policies and Concentrations of Risk [Table] Significant Accounting Policies and Concentrations of Risk Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Long-term investment maturity, minimum (in years) Long term Investment Maturity Minimum Represents long term investment maturity minimum. Incurred debt fees and issuance costs Debt Issuance Costs, Gross Net comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Issuance of common stock for the acquisition of Astria Therapeutics, Inc. Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Beginning balance Ending balance Restructuring reserve Restructuring Reserve Maturing in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Letter of Credit Letter of Credit [Member] Operating lease liabilities Operating Lease, Liability, Current Interest on lease liabilities Finance Lease, Interest Expense Document Fiscal Period Focus Document Fiscal Period Focus Stock conversion ratio (per share) Asset Acquisition, Common Stock, Conversion Ratio Asset Acquisition, Common Stock, Conversion Ratio Trade Receivables Receivable [Policy Text Block] Award Timing Method Award Timing Method [Text Block] Unvested restricted stock unit awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Furniture and Fixtures Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Royalty purchase agreement, royalties, percentage of annual net sales, based on reduction in sales Royalty Purchase Agreement Royalties Percentage Of Annual Net Sales Based On Reduction In Sales he percentage of annual net sales of royalties to be paid under the royalty purchase agreement if sales are less than specified. Deferred revenue Deferred revenue noncurrent Contract with Customer, Liability, Noncurrent Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Royalty release fee Disposal Group, Including Discontinued Operation, Consideration, Royalty Release Fee Disposal Group, Including Discontinued Operation, Consideration, Royalty Release Fee Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in 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 Accrued expenses Asset Acquisition, Accrued Liabilities, Current Asset Acquisition, Accrued Liabilities, Current Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Principal payments on royalty financing obligations Repayment Of Royalty Financing Liabilities, Principal Repayment Of Royalty Financing Liabilities, Principal Geographical [Domain] Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Finance leases Finance Lease, Weighted Average Discount Rate, Percent Receivable Type [Axis] Receivable Type [Axis] Marketable Securities [Line Items] Marketable Securities [Line Items] BCX17725 BCX17725 [Member] BCX17725 Effect of exchange rates on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Concentration Risk Type [Axis] Concentration Risk Type [Axis] Inventory Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Shares reserved for vesting of restricted stock units Unvested restricted stock unit awards Restricted Stock Units (RSUs) [Member] Annual Net Sales Between $150,000 and $230,000 Annual Net Sales Between $150,000 and $230,000 [Member] Represents annual net sales between $150,000 and $230,000. Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Property and equipment Property, Plant and Equipment, Additions Collateral for Credit Collateral for Credit [Member] Restricted cash and cash equivalents required to maintain as collateral for a letter of credit. Accounts payable Asset Acquisition, Accounts Payable Asset Acquisition, Accounts Payable Restructuring costs Restructuring Costs Entity Emerging Growth Company Entity Emerging Growth Company Research and development (excluding stock-based compensation) Research and Development Expense (Excluding Acquired in Process Cost) Operating lease liabilities, net of current portion Asset Acquisition, Operating Lease Liability, Noncurrent Asset Acquisition, Operating Lease Liability, Noncurrent 2027 Finance Lease, Liability, to be Paid, Year One Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Operating lease assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Finance leases Finance Lease, Weighted Average Remaining Lease Term STAR-0310 STAR-0310 [Member] STAR-0310 Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Repayments of lines of credit Repayments of Lines of Credit Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Other revenues Other Income From Contract With Customer [Member] Other Income From Contract With Customer Total revenues Royalty expenses Revenue from Contract with Customer, Including Assessed Tax Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Shares issuable under the employee stock purchase plan Incremental Common Shares Attributable To Dilutive Effect Of Share Purchase Plans Incremental Common Shares Attributable To Dilutive Effect Of Share Purchase Plans Weighted average remaining lease term: Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Less imputed interest Finance Lease, Liability, Undiscounted Excess Amount The Company Description of Company [Policy Text Block] The description of company policy. Common stock, shares, outstanding (in shares) Common stock, shares outstanding, beginning balance (in shares) Common stock, shares outstanding, ending balance (in shares) Common Stock, Shares, Outstanding Cash conversion ratio (in dollars per share) Asset Acquisition, Cash Conversion Ratio Asset Acquisition, Cash Conversion Ratio Trade Receivables Trade Receivables [Text Block] The entire disclosure for trade receivables. Plan Name [Axis] Plan Name [Axis] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] PEO PEO [Member] Royalty Financing Obligations Royalty Financing Liabilities [Text Block] Royalty monetization. Schedule of Revenues Disaggregation of Revenue [Table Text Block] Employee Severance Employee Severance [Member] United States UNITED STATES Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised 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] Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Shares (in thousands) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] Beginning of period End of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax expense Income Tax Expense (Benefit) Total finance lease expense Financing Lease, Expense Financing Lease, Expense Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Debt and Royalty Financing Obligations Interest Expense, Deferred Financing Costs, and Royalty Financing Liabilities [Policy Text Block] Disclosure of accounting policy for interest expense and royalty financing obligation. Amortization of debt issuance costs on term loans Amortization Of Debt Issuance Costs on Term Loans Amortization Of Debt Issuance Costs on Term Loans Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Cash, cash equivalents, and investments Cash, Cash Equivalents, Short and Long-Term Investments Cash, Cash Equivalents, Short and Long-Term Investments Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Acquired in-process research and development IPR&D - navenibart Acquired In-Process Research and Development Acquired In-Process Research and Development Organization, Consolidation and Presentation of Financial Statements [Abstract] License agreement, potential future consideration License Agreement, Potential Future Consideration License Agreement, Potential Future Consideration Workforce Reduction Restructuring and Related Activities Disclosure [Text Block] Other income (expense): Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] 2021 RPI Royalty Agreement 2021 RPI Royalty Agreement [Member] Information on 2021 RPI Royalty Agreement. Peramivir Peramivir [Member] Peramivir City Area Code City Area Code Acquisition of Astria Therapeutics, Inc., net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued expenses Accrued Liabilities, Current Unvested RSU beginning balance (in shares) Unvested RSU ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Neopharmed, Irish Affiliate Neopharmed, Irish Affiliate [Member] Neopharmed, Irish Affiliate General and administrative (excluding stock-based compensation) General and Administrative Expense Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Annual Net Sales Between $350,000 and $550,000 Annual Net Sales Between $350,000 and $550,000 [Member] Represents annual net sales between $350,000 and $550,000. Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Long-term investments Long-Term Investments Debt instrument, term Debt Instrument, Term Property, plant and equipment, useful life (in years) Property, Plant and Equipment, Useful Life Preferred stock par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Selling, General and Administrative Expense Selling, General and Administrative Expenses [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Aggregate Lease Expense Under Operating Leases Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation Depreciation Money market funds Money Market Funds [Member] 2030 Finance Lease, Liability, to be Paid, Year Four Taxes withheld on stock-based awards included in accrued expenses Withholding Taxes Accrued Withholding Taxes Accrued Debt instrument capitalized interest rate Debt Instrument Capitalized Interest Rate Debt Instrument Capitalized Interest Rate Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Schedule of Research and Development Arrangement, Contract to Perform for Others [Table] Research and Development, Contract to Perform for Others [Table] Equity Components [Axis] Equity Components [Axis] Vesting of restricted stock units Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of shares to directors in lieu of cash retainer Stock Issued During Period, Value, Issued for Services Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Trade Accounts Receivable Trade Accounts Receivable [Member] Product sales, net Product sales, net Product [Member] Number of reportable segments Number of Reportable Segments Annual Net Sales Under $350,000 Annual Net Sales Under $350,000 [Member] Represents annual net sales under $350,000. Interest income Interest and Other Income Supplemental cash flow disclosure: Supplemental Cash Flow Information [Abstract] Balance at December 31, 2025 Balance at March 31, 2026 Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Royalty purchase agreement, royalties, percentage of annual net sales Royalty Purchase Agreement Royalties Percentage Of Annual Net Sales The percentage of annual net sales for royalties to be paid under the royalty purchase agreement. Deferred revenue, current Asset Acquisition, Deferred Revenue, Current Asset Acquisition, Deferred Revenue, Current Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Weighted Average Exercise Price per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Payment of debt issuance costs on term loan Payments of Debt Issuance Costs Entity Address, State or Province Entity Address, State or Province Principal payments on finance lease liabilities Finance Lease, Principal Payments Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Right of use assets, net Right-Of-Use-Assets, Noncurrent Right-Of-Use-Assets, Noncurrent Debt aggregate principal amount Debt Instrument, Unused Borrowing Capacity, Amount Total current liabilities Liabilities, Current Vesting of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Finance lease assets obtained in exchange for finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Research and Development Expense Research and Development Expense [Member] Investments [Abstract] Entity [Domain] Entity [Domain] Net cash (used in) provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Lender Name [Axis] Lender Name [Axis] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Plan Name [Domain] Plan Name [Domain] Price per share (in usd per share) Asset Acquisition, Price Per Share Asset Acquisition, Price Per Share Exercise of stock options, net (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Net assets acquired Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Exercisable at March 31, 2026 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Schedule of Stock-Based Compensation Expense and Stock Option Activity Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Segment Reconciliation [Abstract] Segment Reconciliation [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Assets acquired and liabilities assumed: Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) [Abstract] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] 2028 Finance Lease, Liability, to be Paid, Year Two Leases Lessee, Leases [Policy Text Block] Amortization of assembled workforce Amortization of Intangible Assets Selling, general and administrative Sales and marketing (excluding stock-based compensation) Selling, General and Administrative Expense Restricted cash Restricted cash Restricted Cash and Cash Equivalent, Current Acquisitions of property and equipment Cash consideration Payments to Acquire Productive Assets Other assets Other Assets, Noncurrent Number of prepayments Debt Instrument, Number of Prepayments Debt Instrument, Number of Prepayments Accrued interest expense Interest Payable, Current Entity Central Index Key Entity Central Index Key PEO Name PEO Name Contract with customer, Transaction Price, Variable Consideration Contract with Customer, Transaction Price, Variable Consideration Contract with Customer, Transaction Price, Variable Consideration Trade receivables Asset Acquisition, Trade Receivables Asset Acquisition, Trade Receivables Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Finished goods Inventory, Finished Goods, Gross Purchase price, shares issued (shares) Asset Acquisition, Consideration Transferred, Equity Interest, Shares Issued Asset Acquisition, Consideration Transferred, Equity Interest, Shares Issued Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Basic and Diluted Net Income (Loss) Per Share Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Total Finance Lease, Liability Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Royalty rate Revenue, Remaining Performance Obligation, Variable Consideration, Royalty Percentage Revenue, Remaining Performance Obligation, Variable Consideration, Royalty Percentage Computer Equipment Computer Equipment [Member] Deferred revenue Deferred revenue current Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Decrease (increase) in prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Other assets Asset Acquisition, Other Assets Asset Acquisition, Other Assets Subsequent Event Type [Axis] Subsequent Event Type [Axis] Share-Based Compensation Share-Based Payment Arrangement [Text Block] Assets Assets [Abstract] Reportable Segment Reportable Segment [Member] Reportable Segment Secured term loan Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Long-term inventory, net Inventory, Noncurrent Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Forfeited (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Reclassification from accumulated other comprehensive income, current period, before tax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Stockholders’ deficit: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Decrease in royalty financing obligations Reduction to royalty financing obligation Increase (Decrease) In Royalty Financing Liabilities Increase (Decrease) In Royalty Financing Liabilities Entity Address, Address Line One Entity Address, Address Line One Research and development Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Debt Instrument stated percentage Debt Instrument, Interest Rate, Stated Percentage Shares withheld for taxes for vesting of restricted stock units (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Operating lease liabilities Operating Lease, Liability, Noncurrent Operating lease liabilities, current Asset Acquisition, Operating Lease Liability, Current Asset Acquisition, Operating Lease Liability, Current Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Foreign currency (losses) gains, net Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Work-in-process Inventory, Work in Process, Gross Schedule of Shares Reserved for Future Issuance Schedule of Stock by Class [Table Text Block] Shares reserved for future issuance under the Inducement Equity Incentive Plan Inducement Plan Inducement Plan [Member] Related to the Inducement Plan. 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[Member] Astria Therapeutics, Inc. 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