Less than 1 year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Business Acquisition [Axis] Business Acquisition [Axis] NOLs utilized Net Operating Loss Carryforward Utilized The amount of net operating loss carryforwards that were utilized to reduce taxable income under enacted tax laws. Restatement [Axis] Revision of Prior Period [Axis] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Entity Address, Postal Zip Code Entity Address, Postal Zip Code Prepaid expenses and other assets Increase (Decrease) In Prepaid Deferred Expense And Other Current Assets Amount of increase (decrease) in prepaid expenses, and other current assets. Fair value of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Repayment of acquired Adamas loan Repayments of Assumed Debt Unrealized (loss) gain on marketable securities, net of tax Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Additional cash payments upon milestone achievements maximum Business Combination, Contingent Consideration Arrangements, Consecutive Twelve-Month Net Sales Threshold, Period Two Business Combination, Contingent Consideration Arrangements, Consecutive Twelve-Month Net Sales Threshold, Period Two Business Combinations and Contingent Considerations Business Combinations Policy [Policy Text Block] Consecutive trading day period (in days) Debt Instrument, Convertible, Threshold Consecutive Trading Days Sales return period subsequent to expiry date Sales Return Period Represents the period within which a product can be returned by the customers to the entity subsequent to the expiry date. Property and equipment, gross Property, Plant and Equipment, Gross APOKYN and SPN-830 APOKYN And SPN-830 [Member] APOKYN And SPN-830 Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Other Deferred Tax Liabilities, Property, Plant and Equipment Software Software and Software Development Costs [Member] Proceeds from sale of intangible assets Proceeds from Sale of Intangible Assets Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Additional paid-in capital Additional Paid in Capital Schedule of other (expenses) income Schedule of Other Nonoperating Income (Expense) [Table Text Block] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Financial Instruments [Domain] Financial Instruments [Domain] Statistical Measurement [Domain] Statistical Measurement [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Number of renewal options Lessee, Operating Lease, Number Of Renewal Options Lessee, Operating Lease, Number Of Renewal Options Minimum guaranteed amounts owed to company Minimum Guaranteed Amounts Owed to Company Minimum guaranteed amount owed to company from license and royalty revenue. Intangibles Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles U.S. Federal Domestic Tax Authority [Member] Other noncash adjustments, net Other Noncash Income (Expense) Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Represents the information pertaining to employee stock purchase plan. Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization State Current State and Local Tax Expense (Benefit) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Net earnings Net earnings Net Income (Loss) Attributable to Parent Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Conversion Circumstance Two Conversion Circumstance Two [Member] Conversion Circumstance Two Income per share Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock equivalents excluded in the calculation of diluted income per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Aggregate Intrinsic Value (in thousands) Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] n/a Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Lessee, Operating Lease, Liability, to be Paid [Abstract] Lessee, Operating Lease, Liability, to be Paid [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Equity Component [Domain] Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Total fair value of assets acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets Acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets Acquired Total assets at fair value Assets, Fair Value Disclosure Gross increases related to current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Investment, Name [Domain] Investment, Name [Domain] Leases Lessee, Operating Leases [Text Block] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Plan Name [Axis] Plan Name [Axis] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss NAMENDA XR/Namzaric Qui Tam Litigation NAMENDA XR/Namzaric Qui Tam Litigation [Member] NAMENDA XR/Namzaric Qui Tam Litigation Conversion option stock price trigger (in dollars per share) Debt Instrument, Convertible, Stock Price Trigger Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Number of operating segments Number of Operating Segments Plan Name [Domain] Plan Name [Domain] Product shelf life Products, Shelf Life Represents the period within which a product can be expired. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Convertible notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Outstanding at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Tax expense on uncertain tax positions Income Tax Expense on Uncertain Tax Position The amount represents the income tax expense on uncertain tax position. Award Type [Axis] Award Type [Axis] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Operating lease liabilities, current portion Operating Lease, Liability, Current Accrued product returns Accrued Product Returns Represents the amount of accrued product returns. 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after Allowance for Credit Loss [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Other Commitments [Domain] Other Commitments [Domain] Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Document Annual Report Document Annual Report Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Total liabilities Liabilities Weighted-average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Share-Based Compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Goodwill, adjustments Goodwill, Purchase Accounting Adjustments Finite-lived and indefinite-lived intangible assets acquired as part of business combination Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Amortization of premium/discount on marketable securities Investment Income, Net, Amortization of Discount and Premium Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Issuance of common stock in connection with the Company’s equity award plans Stock Issued During Period, Value, New Issues Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Schedule of property and equipment Property, Plant and Equipment [Table Text Block] Marketable securities Debt Securities, Available-for-Sale, Current Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Document Type Document Type Weighted Average Exercise Price (per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Convertible Senior Notes Due 2023 Long-Term Debt [Text Block] Number of RSUs Number of PSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Acquisition of Adamas, net of cash acquired Payments to Acquire Business Two, Net of Cash Acquired Adamas Pharmaceuticals Adamas Pharmaceuticals [Member] Adamas Pharmaceuticals Assets: Assets, Fair Value Disclosure [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Additional cash payments upon milestone achievements minimum Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Nonvested, beginning balance (in dollars per share) Nonvested, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Purchase of property and equipment and deferred legal fees paid Payments To Acquire Property, Plant, And Equipment, And Deferred Legal Fees Payments To Acquire Property, Plant, And Equipment, And Deferred Legal Fees Raw materials Inventory, Work in Process and Raw Materials, Net of Reserves Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Deferred income tax (benefit) provision Deferred Income Tax Expense (Benefit) Accrued clinical trial costs Accrued Clinical Trial and Clinical Supply Costs Current Represents the amount of clinical trial and clinical supply costs accrued. Gross decreases related to prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Marketable securities - restricted (SERP) Assets for Plan Benefits, Defined Benefit Plan Accounts payable and accrued liabilities Lease Liabilities, Current [Abstract] Lease Liabilities, Current Concentration Risk [Table] Concentration Risk [Table] 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Schedule of balance sheet information related to leases Lease Balance Sheet Disclosure [Table Text Block] Tabular disclosure of balance sheet information related to leases. Financial Instrument [Axis] Financial Instrument [Axis] Acquired developed technology and property rights Developed Technology Rights [Member] Customer B Customer B [Member] Represents Customer B. Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] APOKYN APOKYN [Member] APOKYN Subsequent Event Subsequent Event [Member] Document Period End Date Document Period End Date Schedule of financial liabilities that are not carried at fair value Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] Total identifiable net assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Accounting Standards Update 2020-06 Accounting Standards Update 2020-06 [Member] Total assets Assets Debt Disclosure [Abstract] Debt Disclosure [Abstract] Distribution from (investment in) Navitor Distributions From Collaborative Arrangement, Investment Distributions From Collaborative Arrangement, Investment Earnings Per Share [Abstract] Earnings Per Share [Abstract] 2012 Plan Equity Incentive Plan2012 [Member] Represents information pertaining to the 2012 Equity Incentive Plan that provides for grants of stock options, purchase rights and awards to employees, officers, directors, consultants or advisors. Accounts Receivable, net Accounts Receivable [Policy Text Block] Income Statement Location [Axis] Income Statement Location [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Performance-Based Awards Total PSUs Performance Shares [Member] Total Accrued Liabilities, Current Schedule of accounts payable and accrued liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Five Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Accounting Policies [Abstract] Interest expense Interest Expense, Debt Accrued compensation Employee-related Liabilities, Current Line of Credit Line of Credit [Member] Debt discount on 2023 Notes Deferred Tax Liabilities Debt Discount on Convertible Notes Amount of deferred tax liability attributable to taxable temporary differences from debt discount on convertible notes. Other Commitments [Axis] Other Commitments [Axis] Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Stockholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Amortization of deferred financing costs and debt discount Amortization of Debt Issuance Costs and Discounts Earnings per Share Earnings Per Share [Text Block] Customer [Axis] Customer [Axis] Other liabilities Other Noncurrent Liabilities [Member] Schedule of Assumptions Used in Estimation of Fair Value of Each Award Option on the Date of Grant Using Black-Scholes Option-Pricing Model Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Sales-based contingent consideration liabilities Sales-Based Contingent Consideration Liability [Member] Sales-Based Contingent Consideration Liability Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Composition of Other Balance Sheet Items Supplemental Balance Sheet Disclosures [Text Block] Schedule of summary of the income tax expense (benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Total fair value of the underlying common stock related to shares that vested Aggregate fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Award Type [Domain] Award Type [Domain] Accrued product rebates Accrued Rebates Represents the amount of accrued rebates. Weighted-average period over which total unrecognized compensation expense is expected to be recognized (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Computer equipment Computer Equipment [Member] SPN-830 NDA Approval Milestone SPN-830 NDA Approval Milestone [Member] SPN-830 NDA Approval Milestone Cash consideration Cash consideration paid Payments to Acquire Businesses, Gross Other Manufactured Product, Other [Member] Entity Registrant Name Entity Registrant Name Employees, Consultants and Advisors Employees Consultants And Advisors [Member] This member represents information pertaining to employees, consultants and advisors Issuance of common stock in connection with the Company’s equity award plans (in shares) Stock Issued During Period, Shares, New Issues Fixed lease cost Operating Lease, Fixed Lease, Cost Amount of fixed lease cost, excluded from lease liability, recognized when obligation for payment is incurred for operating leases. Subsequent Events Subsequent Events [Text Block] Inventories(4) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Dividend yield (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate USWM Enterprises MDD US Enterprises LLC (Formerly USWM Enterprises) [Member] MDD US Enterprises LLC (Formerly USWM Enterprises) Regulatory and developmental contingent consideration liabilities Regulatory And Developmental Contingent Consideration Liability [Member] Regulatory And Developmental Contingent Consideration Liability Entity Address, City or Town Entity Address, City or Town Payments on finance lease liability Purchases Of Convertible Note Hedge The cash outflow representing the total cost of the convertible note hedge transactions. Leases [Abstract] Leases [Abstract] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Consolidation Consolidation, Policy [Policy Text Block] Market-Based Units Market Based Units [Member] Market Based Units SPN-830 Sale Milestone SPN-830 Sale Milestone [Member] SPN-830 Sale Milestone Minimum Minimum [Member] Conversion rate for the notes (in shares per $1,000 principal amount) Debt Instrument, Convertible, Conversion Ratio Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Royalty revenues Royalty [Member] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Intangibles(4) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Auditor Name Auditor Name Investment, Name [Axis] Investment, Name [Axis] Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Accrued product returns and rebates Total Accrued Product Returns and Rebates. Carrying value as of the balance sheet date of accrued product returns and rebates. Fair value of common stock (in dollars per share) Share Price NOL carryforwards Operating Loss Carryforwards Reconciliation Of Valuation Allowance [Roll Forward] Reconciliation Of Valuation Allowance [Roll Forward] Reconciliation Of Valuation Allowance Trading Symbol Trading Symbol Entity File Number Entity File Number Lease Liabilities, Noncurrent [Abstract] Lease Liabilities, Noncurrent [Abstract] Lease Liabilities, Noncurrent 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Property and equipment additions from utilization of tenant improvement allowance Property And Equipment Additions From Utilization Of Tenant Improvement Allowance Property And Equipment Additions From Utilization Of Tenant Improvement Allowance Research and development Research and Development Expense Gross increases related to prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Title of Individual [Axis] Title of Individual [Axis] Accrued product costs Accrued Product Costs, Current Accrued Product Costs, Current Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period RSUs Restricted Stock Units (RSUs) [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Acquisition Business Combination Disclosure [Text Block] Other income (expense) Other Nonoperating Income (Expense) [Abstract] Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Accrued product returns and rebates Increase (Decrease) in Accrued Product Returns and Rebates Amount of increase (decrease) in product returns and rebates. SPN-830 FDA Acceptance Milestone SPN-830 FDA Acceptance Milestone [Member] SPN-830 FDA Acceptance Milestone Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Equity Method Investments and Joint Ventures [Abstract] Balance at December 31, 2021 Balance at December 31, 2022 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Concentration risk percentage Concentration risk percentage (more than) Concentration Risk, Percentage Subsequent Events [Abstract] Subsequent Events [Abstract] Expected volatility, maximum (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Pro forma net loss Business Acquisition, Pro Forma Net Income (Loss) All Major Customers All Major Customers [Member] All Major Customers Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Taxes Income Tax Disclosure [Text Block] Deferred income tax liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deferred Income Tax Liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deferred Income Tax Liabilities Finished goods Inventory, Finished Goods, Net of Reserves State Deferred State and Local Income Tax Expense (Benefit) Credit Facility [Domain] Credit Facility [Domain] Total intangible assets, carrying amount, gross Intangible Assets, Gross (Excluding Goodwill) Amortization of intangible assets Amortization of Intangible Assets Strike price of the warrant transactions (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Schedule of Goodwill Schedule of Goodwill [Table Text Block] Cash paid for interest on convertible notes Interest Paid, Excluding Capitalized Interest, Operating Activities Basic (in dollars per share) Earnings per share, basic (in dollars per share) Earnings Per Share, Basic 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Equity instruments other than options, vested in period, fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Operating lease liabilities, long-term Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Liability, Noncurrent Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Liability, Noncurrent New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Inventories Inventory, Policy [Policy Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Nonrecourse Royalty Liabilities Nonrecourse Royalty Liabilities [Member] Nonrecourse Royalty Liabilities Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Total stockholders’ equity Beginning balance Ending balance Stockholders' equity Stockholders' Equity Attributable to Parent Research and development credit carryforwards Tax Credit Carryforward, Amount Directors Director [Member] Lease assets obtained for new finance lease Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Other Deferred Tax Assets, Other Entity Interactive Data Current Entity Interactive Data Current Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Deferred income tax liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Tax Liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Tax Liabilities Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Reconciliation of the beginning and ending balances related to the contingent consideration Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Money market funds Money Market Funds [Member] Threshold for development costs payments Collaborative Arrangement, Threshold For Development Costs Payments Collaborative Arrangement, Threshold For Development Costs Payments Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Common Stock Common Stock [Member] Schedule of Share-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Other comprehensive (loss) earnings, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Royalty revenue agreements Royalty Agreements [Member] Schedule of lease costs and supplemental cash flow information Lease, Cost [Table Text Block] Contingent consideration Contingent consideration Business Combination, Contingent Consideration, Liability Income Taxes Income Tax, Policy [Policy Text Block] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Marketable Securities Marketable Securities, Policy [Policy Text Block] Statement [Table] Statement [Table] Vested (in dollars 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 Other income from Navitor (see Note 5) Equity method investment, realized gain (loss) on disposal Equity Method Investment, Realized Gain (Loss) on Disposal Optional lease renewal term (in years) Lessee, Operating Lease, Renewal Term Long term marketable securities Marketable Securities, Noncurrent Current assets Assets, Current [Abstract] Operating lease liabilities, long term Operating Lease, Liability, Noncurrent Research and development credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research Statistical Measurement [Axis] Statistical Measurement [Axis] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Payment of contingent consideration Payment for Contingent Consideration Liability, Financing Activities Capitalized patent defense costs Patent Defense Costs [Member] Represents information concerning the capitalized patent defense costs related to the Watson litigation. Acquired in-process research and development Indefinite-Lived Intangible Assets (Excluding Goodwill) Leasehold improvements Leasehold Improvements [Member] SPN-830 NDA Approval Milestone, Time-Based SPN-830 NDA Approval Milestone, Time-Based [Member] SPN-830 NDA Approval Milestone, Time-Based Retained earnings Retained Earnings (Accumulated Deficit) Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Fair Value Convertible Debt, Fair Value Disclosures Equity Components [Axis] Equity Components [Axis] Operating lease liability Deferred Tax Assets, Operating Lease Liability Deferred Tax Assets, Operating Lease Liability Recurring Fair Value, Recurring [Member] Litigation Case [Domain] Litigation Case [Domain] Additions Deferred Tax Assets, Valuation Allowance, Additions Deferred Tax Assets, Valuation Allowance, Additions Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Business acquisition, pro forma information Business Acquisition, Pro Forma Information [Table Text Block] Restatement [Domain] Revision of Prior Period [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Costs of goods sold Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Statement [Line Items] Statement [Line Items] Contingent Consideration Contingent Consideration Disclosure [Text Block] Contingent Consideration Disclosure Nonvested, beginning balance (in shares) Nonvested, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Indefinite-Lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Contingent consideration, current portion Business Combination, Contingent Consideration, Liability, Current Number of votes per common share Votes Per Common Share, Number Votes Per Common Share, Number Carrying Amount, Gross Finite-Lived Intangible Assets, Gross Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Selling, general and administrative Selling, General and Administrative Expense SPN-830 NDA Approval Milestone, Approval-Based SPN-830 NDA Approval Milestone, Approval-Based [Member] SPN-830 NDA Approval Milestone, Approval-Based Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss, Current Contingent consideration (gain) expense Changes in fair value of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Accrued royalties Accrued Royalties, Current Operating lease assets Operating Lease, 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Entity Tax Identification Number Entity Tax Identification Number Maximum number of shares of common stock provided for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized GOCOVRI GOCOVRI [Member] GOCOVRI Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Advertising costs Advertising Expense Accrued compensation and stock based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Debt Conversion, Name [Domain] Debt Conversion, Name [Domain] Summary of disaggregation of revenue by nature Disaggregation of Revenue [Table Text Block] Total deferred tax liabilities Deferred Tax Liabilities, Gross Qelbree Qelbree [Member] Qelbree Cash Cash [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] VIE, qualitative or quantitative information, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Schedule of reconciliation of income tax expense Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect State income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Uncommitted Secured Credit Line Uncommitted Secured Credit Line [Member] Uncommitted Secured Credit Line 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Estimated Amortization Expense Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Measurement Frequency [Axis] Measurement Frequency [Axis] Research and Development Expenses Research and Development Expense, Policy [Policy Text Block] Weighted- Average Grant Date Fair Value per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Total purchase price Business Combination, Consideration Transferred 2 years to 3 years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, Year Two To Year Three Fair value of available-for-sale debt securities maturing in the second fiscal year through the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Other accrued expenses Other Accrued Liabilities, Current Type of Adoption [Domain] Accounting Standards Update [Domain] City Area Code City Area Code Accrued professional & marketing fees Accrued Professional Fees, Current Assets Assets [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Other Commitments [Line Items] Other Commitments [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Income tax expense computed at U.S. federal statutory income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Advertising Expense Advertising Cost [Policy Text Block] Contingent consideration liability related to acquisitions Business Combination, Contingent Consideration Arrangements, Acquisition Liability Business Combination, Contingent Consideration Arrangements, Acquisition Liability Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Navitor investment R&D expense (see Note 5) Research and Development in Process Noncash investing and financing activity: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Operating leases Leases, Operating [Abstract] Weighted average fair value, grant date, options (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Warrants issued (in shares) Class of Warrant or Right, Outstanding Other liabilities Other Liabilities, Noncurrent Deferred tax assets, tax deferred expense Deferred Tax Assets, Tax Deferred Expense Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Gross decreases related to current year tax positions Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions Research and development Research and Development Expense [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One SPN-830 Regulatory and Commercial Activities SPN-830 Regulatory And Commercial Activities [Member] SPN-830 Regulatory And Commercial Activities Schedule of computation of basic and diluted net earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Rights per share (in dollars per share) Business Combination, Contingent Consideration, Rights Per Share Business Combination, Contingent Consideration, Rights Per Share Lease assets and tenant receivables obtained for new operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Net tax benefit as a result of statutes of limitation Income Tax Expense on Uncertain Tax Position, Alternate Minimum Tax The amount Of income tax expense on uncertain tax position, alternate minimum tax. Summary of liability component of 2023 Notes Convertible Debt [Table Text Block] Noncash royalty revenue Revenue From Royalty Agreement Represents revenue from the sale of certain royalty and milestone rights. Customer [Domain] Customer [Domain] Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible Enumeration]