Business Combinations and Contingent Considerations Business Combinations Policy [Policy Text Block] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Agreement termination notice period Variable Interest Entity, Agreement Termination Notice, Period Variable Interest Entity, Agreement Termination Notice, Period Amortization of intangibles Deferred Tax Liabilities, Intangible Assets Restatement [Axis] Revision of Prior Period [Axis] Document Type Document Type 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. ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Total other expense Other Nonoperating Income (Expense) Measurement period adjustment Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Granted options (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Payables and Accruals [Abstract] Payables and Accruals [Abstract] 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] Employee Benefit Plan Retirement Benefits [Text Block] 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. Acquired In-process Research & Development In Process Research and Development [Member] Fair Value (Level 3) Fair Value, Inputs, Level 3 [Member] Measurement period adjustment Measurement period adjustment Goodwill, Purchase Accounting Adjustments Leases Lessee, Leases [Policy Text Block] Sales and maturities of marketable securities Proceeds from Sale and Maturity of Marketable Securities 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. Anticipated annual amortization expense for the next five years Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] APOKYN and SPN-830 APOKYN And SPN-830 [Member] APOKYN And SPN-830 Statistical Measurement [Domain] Statistical Measurement [Domain] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Operating leases Leases, Operating [Abstract] Uncertain income tax position Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Share-Based Compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Amortization on finance lease asset Finance Lease, Right-of-Use Asset, Amortization Investment in Navitor Pharmaceuticals, Inc. Payments to Acquire Interest in Subsidiaries and Affiliates Deferred income tax liabilities Deferred Income Tax Liabilities, Net Security Exchange Name Security Exchange Name Intangible assets, net Total intangible assets, net Intangible Assets, Net (Excluding Goodwill) Proceeds from issuance of convertible notes Proceeds from Convertible Debt Finance lease assets Finance Lease, Right-of-Use Asset, before Accumulated Amortization Operating earnings Operating Income (Loss) Total current liabilities Liabilities, Current Accounts Receivable, net Accounts Receivable [Policy Text Block] Performance-Based Awards Performance Shares [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Accrued professional fees Accrued Professional Fees, Current Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Maximum contribution by employee (as a percent) Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Total future minimum lease payments Finance Lease, Liability, Payment, Due Long term marketable securities Debt Securities, Available-for-sale, Noncurrent Minimum guaranteed amounts owed to company Minimum Guaranteed Amounts Owed to Company Minimum guaranteed amount owed to company from license and royalty revenue. Assets Assets [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Investment, Name [Axis] Investment, Name [Axis] Vesting period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Accounting Policies [Abstract] Accounting Policies [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Convertible notes, net Carrying Value Total carrying value Convertible Notes Payable, Noncurrent Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Represents the information pertaining to employee stock purchase plan. Income taxes payable Taxes Payable, Current Entity Address, State or Province Entity Address, State or Province Accounts payable Accounts Payable, Current Cash paid for operating leases Operating Lease, Payments Income tax expense computed at U.S. federal statutory income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Conversion Circumstance Two Conversion Circumstance Two [Member] Conversion Circumstance Two Convertible notes, net Convertible Notes Payable [Member] Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Aggregate Intrinsic Value (in thousands) Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] n/a Finance lease liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finance Lease, Liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finance Lease, Liability Retained earnings Retained Earnings (Accumulated Deficit) Operating lease assets Operating Lease, Right-of-Use Asset Depreciation Deferred Tax Liabilities, Property, Plant and Equipment Remaining Weighted- Average Life (Years) Acquired Finite-lived Intangible Assets, Weighted Average Useful Life SPN-830 First Commercial And Sale Milestone SPN-830 First Commercial And Sale [Member] SPN-830 First Commercial And Sale Total 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 Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Product Concentration Risk Product Concentration Risk [Member] 2021 Lessee, Operating Lease, Liability, to be Paid, Year One Summary of liability component of 2023 Notes Convertible Debt [Table Text Block] 2021 Finance Lease, Liability, to be Paid, Year One Outstanding at the beginning of the period (in shares) Outstanding at the end of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment 2024 Lessee, Operating Lease, Liability, to be Paid, Year Four Deferred legal fees Increase (Decrease) in Deferred Charges, Investing Total unrecognized compensation expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Percentage of eligible compensation, second level, partially matched by employer Employer Match Employee Contribution Level Two Represents the second level of employee contributions (percentage of compensation), which are partially matched by the employer. New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Customer [Axis] Customer [Axis] State Current State and Local Tax Expense (Benefit) Research and development credit carryforwards Tax Credit Carryforward, Amount Balance (in shares) Balance (in shares) Shares, Outstanding Income Taxes Income Tax, Policy [Policy Text Block] Maximum percentage of participating employee annual compensation that the company may elect to make a discretionary contribute towards Defined Contribution Plan, Maximum Discretionary Employer Contribution Percentage Represents the maximum percentage of participating employee annual compensation, that the employer may discretionary decide to contribute to a defined contribution plan. Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Interest expense on nonrecourse liability related to sale of future royalties Interest Expense, Other Other comprehensive earnings (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other liabilities Total Other Liabilities, Noncurrent Deferred income taxes Deferred Income Tax Assets, Net Cash paid for finance lease Finance Lease, Principal Payments Marketable securities Marketable Securities, Current Product shelf life Products, Shelf Life Represents the period within which a product can be expired. Total fair value of the underlying common stock related to shares that vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Cash consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash Consideration Transferred Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash Consideration Transferred Work in process Inventory, Work in Process, Net of Reserves Share-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Cumulative Effect, Period of Adoption, Adjusted Balance Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Inventories, net Total inventories Inventory, Net Total revenues Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Measurement Frequency [Domain] Measurement Frequency [Domain] Advertising costs Advertising Expense Inventory [Line Items] Inventory [Line Items] Tax expense on uncertain tax positions Income Tax Expense on Uncertain Tax Position The amount represents the income tax expense on uncertain tax position. Fair value of common stock (in dollars per share) Share Price Finance lease cost: Financing Lease, Cost [Abstract] Financing Lease, Cost Minimum age requirement for employees to participate in the plan Defined Contribution Plan Eligibility Minimum Age Represents the minimum eligibility age for employees to participate in the defined contribution plan. Concentration risk percentage Concentration risk percentage (more than) Concentration Risk, Percentage Business Acquisition [Axis] Business Acquisition [Axis] Accrued product returns Accrued Product Returns Represents the amount of accrued product returns. Maximum contractual term of share-based grants Contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Conversion rate for the notes (in shares per $1,000 principal amount) Debt Instrument, Convertible, Conversion Ratio Inventory [Axis] Inventory [Axis] Schedule of financial liabilities that are not carried at fair value Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] Statement [Line Items] Statement [Line Items] Schedule of common stock equivalents excluded in the calculation of diluted earnings per share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Earnings per share Earnings Per Share, Basic and Diluted [Abstract] Computer equipment Computer Equipment [Member] Accounts Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Entity Voluntary Filers Entity Voluntary Filers Transaction costs Business Combination, Acquisition Related Costs Contingent consideration, long term Business Combination, Contingent Consideration, Liability, Noncurrent Statement [Table] Statement [Table] Accrued compensation and stock based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Statistical Measurement [Axis] Statistical Measurement [Axis] Payment for option issue fee Collaborative Arrangement, Payment For Option Issue Fee Collaborative Arrangement, Payment For Option Issue Fee U.S. government agency and municipal debt securities US Government Agencies Debt Securities [Member] Interest and other income, net Interest Income, Other Expected volatility, minimum (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Strike price of the warrant transactions (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Business Combinations [Abstract] Interest Expense Interest Expense, Policy [Policy Text Block] Marketable Securities Marketable Securities, Policy [Policy Text Block] Entity Small Business Entity Small Business Operating earnings Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term License and collaboration agreements Collaborative Arrangement [Member] Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Selling, general and administrative Selling, General and Administrative Expenses [Member] Goodwill [Roll Forward] Goodwill [Roll Forward] Amendment Flag Amendment Flag Schedule of computation of basic and diluted net earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Accrued clinical trial costs Accrued Clinical Trial and Clinical Supply Costs Current Represents the amount of clinical trial and clinical supply costs accrued. Weighted-average shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Product Candidates Product Candidates [Member] Product Candidates Balance at December 31, 2019 Balance at December 31, 2020 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Lease liabilities, current Lease Liabilities, Current [Abstract] Lease Liabilities, Current Lessee, Finance Leases Lessee, Finance Leases [Text Block] Maximum number of shares of common stock provided for issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Schedule of balance sheet information related to leases Lease Balance Sheet Disclosure [Table Text Block] Tabular disclosure of balance sheet information related to leases. Schedule of recognized identified assets acquired and liabilities assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Other accrued expenses Other Accrued Liabilities, Current Spend commitment amount Purchase Commitment, Remaining Minimum Amount Committed Customer B Customer B [Member] Represents Customer B. Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory APOKYN APOKYN [Member] APOKYN Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Entity Central Index Key Entity Central Index Key Measurement Frequency [Axis] Measurement Frequency [Axis] Software Computer Software, Intangible Asset [Member] Marketable securities Debt Securities, Available-for-sale, Current Financial Instruments [Domain] Financial Instruments [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Increase in fixed monthly rental payments Operating Leases, Rental Expenses, Annual increase in Rental Payments, Percentage The percentage of increase in fixed monthly rental payments on each anniversary of the lease commencement date. Tenant improvement allowance Operating Leases Additional Allowance for Tenant and Capital Improvement Represents the additional amount of payments that the lessee can elect to make in connection with tenant and capital improvement allowances under the terms of an agreement classified as an operating lease. 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. 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] Amortized cost Debt Securities, Available-for-sale, Amortized Cost Optional lease renewal term Lessee, Operating Lease, Renewal Term Gross unrealized gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Pro forma net earnings Business Acquisition, Pro Forma Net Income (Loss) 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. Cash consideration to Seller - net of cash acquired Working capital adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred, Cash Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred, Cash Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Income Statement Location [Axis] Income Statement Location [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Income Statement Location [Domain] Income Statement Location [Domain] Cash Cash [Member] Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount 2022 Lessee, Operating Lease, Liability, to be Paid, Year Two State State and Local Jurisdiction [Member] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Schedule of unrestricted marketable securities Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Selling, general and administrative Selling, General and Administrative Expense Federal Current Federal Tax Expense (Benefit) Amortization of intangible assets Amortization of Intangible Assets Accrued product rebates Accrued Rebates Represents the amount of accrued rebates. Schedule of lease costs and supplemental cash flow information Lease, Cost [Table Text Block] 2023 Lessee, Operating Lease, Liability, to be Paid, Year Three SPN-830 NDA Approval Milestone SPN-830 NDA Approval Milestone [Member] SPN-830 NDA Approval Milestone Other assets Other Assets, Noncurrent Investments in Unconsolidated VIEs Equity Method Investments and Joint Ventures Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Conversion rate of the notes on trading day (as percent) Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger 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 Stock Issued During Period, Value, 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. Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Long term marketable securities Marketable Securities, Noncurrent Concentration Risk [Table] Concentration Risk [Table] Total assets Assets Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] MDD US Enterprises LLC (Formerly USWM Enterprises) MDD US Enterprises LLC (Formerly USWM Enterprises) [Member] MDD US Enterprises LLC (Formerly USWM Enterprises) Title of 12(b) Security Title of 12(b) Security Schedule of accrued expenses and accrued liabilities Schedule of Accrued Liabilities [Table Text Block] Finance Lease Finance Lease, Liability, Payment, Due [Abstract] Common stock issued upon conversion of Notes (in shares) Debt Conversion, Converted Instrument, Shares Issued 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 Payments on finance lease liability Purchases Of Convertible Note Hedge The cash outflow representing the total cost of the convertible note hedge transactions. Marketable securities - restricted (SERP) Assets for Plan Benefits, Defined Benefit Plan Antidilutive Securities [Axis] Antidilutive Securities [Axis] Investments Equity Securities, FV-NI, Cost Intangible Assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Schedule of maturities of financing lease liabilities Finance Lease, Liability, Fiscal Year Maturity [Table Text Block] Interest expense Interest Expense As Initially Reported Previously Reported [Member] 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] Depreciation and amortization Depreciation, Depletion and Amortization Revenue Recognition Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Schedule of summary of the income tax expense (benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Unrealized gain on marketable securities Deferred Tax Liabilities, Unrealized Gain On Marketable Securities Deferred Tax Liabilities, Unrealized Gain On Marketable Securities Product and Service [Axis] Product and Service [Axis] Inventories Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory Total liabilities Liabilities 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. Amortization of premium/discount on marketable securities Investment Income, Net, Amortization of Discount and Premium 2025 Finance Lease, Liability, to be Paid, Year Five 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 Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lease liabilities, long term Lease Liabilities, Noncurrent [Abstract] Lease Liabilities, Noncurrent Vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 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 Other (Expense) Income Other Nonoperating Income and Expense [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Net earnings Net Income (Loss) Available to Common Stockholders, Basic Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Inventories Increase (Decrease) in Inventories Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Changes in fair value of contingent consideration Unrealized Gain (Loss) on Derivatives 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 Additional Paid-in Capital Additional Paid-in Capital [Member] MYOBLOC MYOBLOC [Member] MYOBLOC Schedule of other (expenses) income Schedule of Other Nonoperating Income (Expense) [Table Text Block] Raw materials Pre-launch inventory, net Inventory, Work in Process and Raw Materials, Net of Reserves Purchase price consideration Schedule of Business Acquisitions, by Acquisition [Table Text Block] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] 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 Adjustments to reconcile net earnings to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Interest on lease liability Finance Lease, Interest Expense Unrealized gain (loss) on marketable securities, net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Fair Value Convertible Debt, Fair Value Disclosures State income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Schedule of Goodwill [Table] Schedule of Goodwill [Table] Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Research and development Research and Development Expense Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Outstanding at the beginning of the period (in dollars per share) Outstanding at the end of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price U.S. Federal Domestic Tax Authority [Member] Royalty revenue Royalty [Member] Acquisition of USWM, net of cash acquired Cash consideration to Seller - net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Common stock, shares authorized (in shares) Common Stock, Shares Authorized Concentration Risk Type [Axis] Concentration Risk Type [Axis] Property and equipment, gross Property, Plant and Equipment, Gross Stock options, RSUs, and SARs (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Proceeds from Stock Options Exercised Proceeds from Stock Options Exercised Federal Deferred Federal Income Tax Expense (Benefit) Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] 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 Goodwill and Goodwill Impairment Assessment Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Nonrecourse liability related to sale of future royalties, long term Non-Recourse Liability, Noncurrent Non-Recourse Liability, Noncurrent Threshold for development costs payments Collaborative Arrangement, Threshold For Development Costs Payments Collaborative Arrangement, Threshold For Development Costs Payments Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Income Statement [Abstract] Income Statement [Abstract] Accumulated Other Comprehensive Earnings (Loss) AOCI Attributable to Parent [Member] Schedule of contractual maturities of the unrestricted available for sale marketable securities held Investments Classified by Contractual Maturity Date [Table Text Block] Operating lease liabilities, long term Operating Lease, Liability, Noncurrent 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Four Accrued royalties Accrued Royalties, Current Initial estimate of contingent consideration at Closing Date Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Unamortized debt discount and deferred financing costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Use of Estimates Use of Estimates, Policy [Policy Text Block] Current assets Assets, Current [Abstract] Debt Conversion, Name [Domain] Debt Conversion, Name [Domain] Income Tax Authority [Domain] Income Tax Authority [Domain] Consolidated Entities [Axis] Consolidated Entities [Axis] Number of votes to which holders of common shares are entitled for each share held Number of Votes Per Common Share Held Represents the number of votes to which the holders of common stock are entitled for each share held. Comprehensive earnings Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2023 Finance Lease, Liability, to be Paid, Year Three Capitalized patent defense costs Patent Defense Costs [Member] Represents information concerning the capitalized patent defense costs related to the Watson litigation. Total lease assets Lease, Right-Of-Use Asset Lease, Right-Of-Use Asset Dividend yield (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Schedule of reconciliation of income tax expense Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Licensing revenue License [Member] Numerator, dollars in thousands: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Counterparty Name [Domain] Counterparty Name [Domain] Operating lease liability Deferred Tax Assets, Operating Lease Liability Deferred Tax Assets, Operating Lease Liability Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment City Area Code City Area Code Deferred legal fees and fixed assets included in accounts payable and accrued expenses Non Cash Capitalized Cost Of Intangible Assets Represents the non-cash expenses related to intangible assets that were capitalized and shown within accrued expenses. Income Tax Authority [Axis] Income Tax Authority [Axis] Document Period End Date Document Period End Date Convertible Senior Notes Due 2023 Long-term Debt [Text Block] Contingent consideration, liability Business Combination, Contingent Consideration, Liability Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Directors Director [Member] Other Liabilities Other Liabilities Disclosure [Text Block] Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Summary of disaggregation of revenue by nature Disaggregation of Revenue [Table Text Block] Impairment of Long-Lived Assets and Impairment of Indefinite-Lived Intangible Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Finance lease asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finance Lease, Right-of-Use Asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finance Lease, Right-of-Use Asset Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Schedule of fair value of the financial assets and liabilities Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Schedule of inventories Schedule of Inventory, Current [Table Text Block] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Share-based compensation expense Share-based Payment Arrangement, Noncash Expense Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract] Royalty revenue agreements Royalty Agreements [Member] Additional disclosures Intangible Assets, Net (Excluding Goodwill) [Abstract] Cover page. Cover [Abstract] Commitment period Long-term Purchase Commitment, Period Total identifiable net assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets (Liabilities), Net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets (Liabilities), Net Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Goodwill [Line Items] Goodwill [Line Items] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Leases Lessee, Operating Leases [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Trokendi XR Trokendi XR Trokendi Xr [Member] Represents information pertaining to Trokendi XR patent litigation. Net deferred tax (liabilities) assets Deferred Tax Assets, Net Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Costs of goods sold Cost of Goods and Services Sold Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Total fair value Total Debt Securities, Available-for-sale Debt Conversion Description [Axis] Debt Conversion Description [Axis] Total costs and expenses Costs and Expenses Employer match of employee contributions on the second level of salary deferral (as a percent) Defined Contribution Plan Employer Match Level Two Represents the employer matching contribution of the second level of employee contributions. Equity Components [Axis] Equity Components [Axis] Finished goods Inventory, Finished Goods, Net of Reserves Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Convertible bond hedge Deferred Tax Assets Convertible Bond Hedge The tax effect, as of the balance sheet date, of the amount of the estimated future tax deductions arising from a convertible bond hedge, which can only be deducted for tax purposes when relevant losses are realized or actual obligations are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Receivables [Abstract] Receivables [Abstract] Operating lease cost: Operating Lease, Cost [Abstract] Operating Lease, Cost Total deferred tax assets Deferred Tax Assets, Gross Minimum Minimum [Member] Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Consolidated Entities [Domain] Consolidated Entities [Domain] Operating lease liabilities, current portion Operating Lease, Liability, Current Employer match of employee contributions on the first level of salary deferral (as a percent) Defined Contribution Plan Employer Match Level One Represents the employer matching contribution of the first level of employee contributions. Lease assets obtained for new finance lease Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Equity Method Investments and Joint Ventures [Abstract] Variable lease cost Operating Lease, Variable Lease, Cost Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for operating leases. 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] Weighted-Average Remaining Contractual Term (in years) Share Based Compensation Arrangement by Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Entity Interactive Data Current Entity Interactive Data Current Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Revenue Revenues [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Number development products Number Of Proprietary Development Products Number Of Proprietary Development Products Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Summary of stock option and SAR activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Percentage of Accounts Receivable, net Accounts Receivable [Member] VIE, qualitative or quantitative information, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Share-Based Compensation Share-based Payment Arrangement [Policy Text Block] Intangible assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles Customer [Domain] Customer [Domain] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Research and Development Expenses Research And Development Expenses And Related Accrued Research And Development Expenses [Policy Text Block] Research And Development Expenses And Related Accrued Research And Development Expenses [Policy Text Block] Payment to resolve U.S. Department of Justice allegations Litigation Settlement, Amount Awarded to Other Party Entity Registrant Name Entity Registrant Name Business Acquisition [Line Items] Business Acquisition [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Assets: Assets, Fair Value Disclosure [Abstract] Concentration risk percentage Concentration Risk [Line Items] Contingent consideration liability, high value Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High Total deferred tax liabilities Deferred Tax Liabilities, Gross Advertising Expense Advertising Cost [Policy Text Block] Proceeds from issuance of warrants Proceeds from Issuance of Warrants Weighted- Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Contingent consideration expense Contingent consideration liability related to USWM acquisition Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Other (expense) income Other Nonoperating Income (Expense) [Abstract] Less: imputed interest Finance Lease, Liability, Undiscounted Excess Amount Inventory-related accruals Inventory Adjustments Finance lease Lease , Financing [Abstract] Lease , Financing Purchase of convertible note hedges, net of tax Adjustments To Additional Paid-In Capital, Purchases Of Convertible Note Hedges, Net Of Tax Purchases of convertible note hedges, net of tax. Effective interest rate (as percent) Debt Instrument, Interest Rate, Effective Percentage Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Research and development Research and Development Expense [Member] Equity issued on conversion of convertible notes Stock Issued During Period, Value, Conversion of Convertible Securities Other Liabilities Other Liabilities [Table Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction Other Deferred Tax Assets, Other XADAGO XADAGO [Member] XADAGO Threshold trading days (whether or not consecutive) Debt Instrument, Convertible, Threshold Trading Days Cost of Goods Sold Cost of Goods and Service [Policy Text Block] Risk-free interest rate, minimum (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Lab equipment and furniture Lab Equipment And Furniture [Member] Represents information pertaining to lab equipment and furniture. Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Gross unrealized losses Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] ASU 2016-02 Accounting Standards Update 2016-02 [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Deferred Financing Costs Debt Instrument, Interest Rate, Stated Percentage [Abstract] Long term marketable securities Debt Securities, Noncurrent [Abstract] Total deferred tax asset, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Purchase price percentage Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Goodwill Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Less than 1 year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Number of commercial products Number Of Proprietary Commercial Products The number of proprietary commercial products market by the company. Other comprehensive earnings (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Document Transition Report Document Transition Report Title of Individual [Axis] Title of Individual [Axis] Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Contingent consideration, current portion Business Combination, Contingent Consideration, Liability, Current Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Schedule of property and equipment Schedule of Property Plant and Equipment Components [Table Text Block] Tabular disclosure of the components of property, plant and equipment. Share-based Payments Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Warrants issued (in shares) Class of Warrant or Right, Outstanding Cumulative transaction costs Business Acquisition, Transaction Costs Accrued Product Returns and Rebates Accrued Product Returns and Rebates [Text Block] The entire disclosure for accrued product returns and rebates. Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Total of assets acquired Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Principal amount of debt 2023 Notes Debt Instrument, Face Amount Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Percentage of eligible compensation, first level, matched by employer Defined Contribution Plan Employer Match Employee Contribution Level One Represents the first level of employee contributions (percentage of compensation), which are matched by the employer. Schedule of Goodwill Schedule of Goodwill [Table Text Block] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of warrants (in shares) Class of Warrant or Right, Number of Shares in Which Holder Can be Entitled per Warrants at Strike Price Represents the information pertaining to the shares per warrant entitled to holders at strike price. Total assets at fair value Total assets at fair value Assets, Fair Value Disclosure Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of gross carrying amount and related accumulated amortization of goodwill and intangible assets Schedule of Intangible Assets and Goodwill [Table Text Block] Allowance for expected sales discounts and allowances Allowance for Expected Sales deductions Represents the allowance for sales discounts related to prompt-pay discounts and contractual fee for service arrangements to wholesalers and distributors. Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible List] Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Customer Concentration Risk Customer Concentration Risk [Member] Vested and expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Diluted (in shares) Weighted average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Deferred tax assets: Components of Deferred Tax Assets [Abstract] Basic (in dollars per share) Earnings per share, basic (in dollars per share) Earnings Per Share, Basic Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Number of operating segments Number of Operating Segments Entity File Number Entity File Number Debt Disclosure [Abstract] Debt Disclosure [Abstract] Weighted-average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Inventory, Current [Table] Inventory, Current [Table] Long-term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] Amortization of deferred financing costs and debt discount Amortization of Debt Issuance Costs and Discounts Amortization of intangibles Deferred Tax Asset, Amortization Amount of deferred tax asset amortization. Accrued product returns and rebates Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Issuance of warrants Adjustments to Additional Paid in Capital, Warrant Issued Total Share-based Payment Arrangement, Expense Schedule of accrued sales deductions Schedule of Accrued Product Returns and Rebates [Table Text Block] Tabular disclosure of the accrued product returns and rebates. Balance at beginning of period Balance at end of period Unrecognized Tax Benefits Counterparty Name [Axis] Counterparty Name [Axis] Common stock, $0.001 par value; 130,000,000 shares authorized; 52,868,482 and 52,533,348 shares issued and outstanding as of December 31, 2020 and December 31, 2019, respectively Common Stock, Value, Issued Organization and Nature of Operations Organization and Nature of Operations Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Total liabilities assumed Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities Document Annual Report Document Annual Report 2022 Finite-Lived Intangible Asset, Expected Amortization, Year Two Number of annual installments in which the awards would generally vest starting on the first anniversary of the date of grant Share Based Compensation Arrangement by Share Based Payment Award, Award Vesting Number of Installments from First Anniversary of Grant Date Represents the number of installments in which the awards would generally vest starting from the first anniversary of the date of grant. Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Entity Current Reporting Status Entity Current Reporting Status 2024 Finance Lease, Liability, to be Paid, Year Four Change in fair value recognized in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Accrued expenses and other current liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued Expenses And Other Current Liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued Expenses And Other Current Liabilities Greater than 4 years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year Four Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year Four Initial fixed monthly rental rate Operating Leases, Rental Expenses, Initial Fixed Monthly Rental Payments The amount of fixed monthly rental payments due under the lease agreement. 3 years to 4 years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, Year Three To Year Four Fair value of available-for-sale debt securities maturing in the third fiscal year through the fourth 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. Retirement Benefits [Abstract] Retirement Benefits [Abstract] Other Liabilities Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Total identifiable net assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Weighted average fair value, grant date, (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Total Financing Lease, Cost Financing Lease, Cost Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Common stock, shares issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Market Based Awards Market Based Performance Shares [Member] Market Based Performance Shares Lease liabilities Present value of lease liabilities Operating Lease, Liability Net deferred tax (liabilities) assets Deferred Tax Liabilities, Net Non-recourse liability related to sale of future royalties Deferred Tax Assets Royalty Revenue Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from royalty income. Accounts receivable Increase (Decrease) in Accounts Receivable Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total stockholders’ equity Balance Balance Stockholders' Equity Attributable to Parent Organization and Nature of Operations Nature of Operations [Text Block] Contingent consideration liability accrued in USWM Acquisition Business Combination, Consideration Transferred Concentration Risk Type [Domain] Concentration Risk Type [Domain] 1 year to 2 years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, Year One To Year Two Fair value of available-for-sale debt securities maturing after the first year through the second 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. Total liabilities and stockholders’ equity Liabilities and Equity Conversion Circumstance One Conversion Circumstance One [Member] Conversion Circumstance One Impairment due to credit losses Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded Accumulated other comprehensive earnings, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Income Tax Expense Income Tax Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Schedule of customers that represent more than 10% of total revenue and more than 10% of accounts receivable, net Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Accrued compensation Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Total purchase price Estimated total purchase consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred RSUs Restricted Stock Units (RSUs) [Member] Other noncurrent assets Other Assets, Noncurrent [Abstract] Total Operating Lease, Cost Lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current 2025 Lessee, Operating Lease, Liability, to be Paid, Year Five Total purchase price (4) Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Sales return period prior to expiry date Sales Return Period Prior To Expiration Represents the period within which a product can be returned by the customers to the entity prior to the expiry date. Financial Instrument [Axis] Financial Instrument [Axis] Type of Adoption [Domain] Accounting Standards Update [Domain] Customer C Customer C [Member] Represents Customer C. Common stock equivalents excluded in the calculation of diluted income per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted-average remaining lease term (years) Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Annual minimum purchase quantity requirement amount Purchase Commitment, Annual Minimum Amount Committed Purchase Commitment, Annual Minimum Amount Committed Other noncash adjustments, net Other Noncash Income (Expense) Net product sales Product [Member] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Gross increases related to prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Gross increases related to current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Estimated Useful Lives as of Closing Date (in years) Finite-Lived Intangible Asset, Useful Life Equity Component [Domain] Equity Component [Domain] Liabilities Liabilities [Abstract] Operating lease assets Deferred Tax Liabilities, Leasing Arrangements Less: valuation allowance Valuation allowance related to acquisition Deferred Tax Assets, Valuation Allowance Property and equipment, net Property, Plant and Equipment, Net 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Three Construction-in-progress Construction in Progress [Member] Customer A Customer A [Member] Represents Customer A. Entity Tax Identification Number Entity Tax Identification Number Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Net earnings Net earnings Net Income (Loss) Attributable to Parent Finance lease liability, long term Finance Lease, Liability, Noncurrent Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Other current liabilities Other Liabilities, Current Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] IRC Section 481(a) liability Deferred Tax Liabilities 481a Adjustment Amount of deferred tax liability attributable to taxable temporary differences related to adjustments to taxable income pursuant to Section 481(a). Investment, Name [Domain] Investment, Name [Domain] Inventories Inventory Disclosure [Text Block] Leases [Abstract] Leases [Abstract] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date NOL carryforwards Operating Loss Carryforwards Earnings Per Share [Abstract] Earnings Per Share [Abstract] Conversion of debt to equity Debt Conversion, Original Debt, Amount Schedule of significant components of deferred tax assets (liabilities) Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Finance lease liability Present value of lease liabilities Finance Lease, Liability Income per share Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Total property and equipment, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Patent infringement legal costs Deferred Tax Liabilities Infringement Legal Cost Amount of deferred tax liability attributable to taxable temporary differences from Infringement legal cost. Stock option and Stock Appreciation Rights Stock Option Stock Appreciation Rights [Member] Represents information related to stock option awards for employees and non-employees as well as stock appreciation rights. Interest and other income, net Other Nonoperating Income Stockholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Intangible assets Estimated Fair Value Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Acquired Developed Technology and Product Rights Developed Technology Rights [Member] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Five Number of Options and SAR Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Convertible note hedge options issued (in shares) Debt Conversion, Converted Instrument, Warrants or Options Issued Number of commercial products acquired in acquisition Business Combination, Number Of Proprietary Commercial Products, Acquired Business Combination, Number Of Proprietary Commercial Products, Acquired Thereafter Finance Lease, Liability, to be Paid, after Year Five Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Other liabilities Other Sundry Liabilities, Noncurrent Entity Filer Category Entity Filer Category Schedule of share-based compensation expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Common Stock Common Stock [Member] Property and equipment Property, Plant and Equipment [Line Items] Estimated adjustment for product returns related to prior year sales Contract With Customer, Change In Refund Liability Contract With Customer, Change In Refund Liability Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Risk-free interest rate, maximum (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Conversion option stock price trigger (in dollars per share) Debt Instrument, Convertible, Stock Price Trigger Inventory [Domain] Inventory [Domain] Company's contribution to the 401(k) Plan Defined Contribution Plan, Cost Convertible Debt Convertible Debt [Member] Weighted-average discount rate Finance Lease, Weighted Average Discount Rate, Percent Total lease liabilities Lease, Liability Lease, Liability Issuance of common stock in connection with the Company’s equity award plans (in shares) Stock Issued During Period, Shares, New Issues Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Abstract] Leasehold improvements Leasehold Improvements [Member] Intangible assets subject to amortization Finite-Lived Intangible Assets, Gross Percentage of Net Product Sales Revenue Benchmark [Member] Additional cash payments upon milestone achievements minimum Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Restatement [Domain] Revision of Prior Period [Domain] Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Municipal debt securities Municipal Bonds [Member] Money market funds Money Market Funds [Member] Vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Noncash investing and financing activity: Noncash Investing and Financing Items [Abstract] Research and development credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect USWM Acquisition Business Combination Disclosure [Text Block] Finance lease asset Finance lease asset Finance Lease, Right-of-Use Asset, after Accumulated Amortization Schedule of maturities of operating lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Stock Option Stock options, RSUs, PSUs Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Tax expense related to prior year position Unrecognized Tax Benefits, Increase Resulting From Lapse of Applicable Statute Of Limitations Unrecognized Tax Benefits, Increase Resulting From Lapse of Applicable Statute Of Limitations Basic (in shares) Weighted average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Costs and expenses Costs and Expenses [Abstract] Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Permanent items Effective Income Tax Rate Reconciliation, Permanent Items, Amount Effective Income Tax Rate Reconciliation, Permanent Items, Amount State Deferred State and Local Income Tax Expense (Benefit) Marketable securities Debt Securities, Current [Abstract] Total Fair Value Reported Value Measurement [Member] Plan Name [Domain] Plan Name [Domain] Nonrecourse liability related to sale of future royalties, long term Non Recourse Debt Sale of Future Royalties Noncurrent Noncurrent portion of debt, net of the amount due within one year or the normal operating cycle, if longer, related to the sale of future royalties, for which the creditor does not have general recourse to the debtor but rather has recourse only to the property used for collateral in the transaction or other specific property. Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Disaggregated Revenues Revenue from Contract with Customer [Text Block] Cash paid for interest on convertible notes Interest Paid, Excluding Capitalized Interest, Operating Activities Expected volatility, maximum (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Lease assets and tenant receivables obtained for new operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Oxtellar XR Oxtellar X R [Member] Represents information pertaining to Oxtellar XR product. Additional paid-in capital Additional Paid in Capital 2021 Finite-Lived Intangible Asset, Expected Amortization, Year One Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Income tax expense Income tax expense Income Tax Expense (Benefit) Income taxes paid Income Taxes Paid, Net Cash and cash equivalents at beginning of year Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Purchases of marketable securities Payments to Acquire Marketable Securities New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Total Accrued Liabilities, Current Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Navitor Pharmaceuticals, Inc. Navitor Pharmaceuticals, Inc. [Member] Navitor Pharmaceuticals, Inc. Title of Individual [Domain] Title of Individual [Domain] Diluted (in dollars per share) Earnings per share, diluted (in dollars per share) Earnings Per Share, Diluted Finance lease liability, long term Finance Lease, Liability, Current Long-term Purchase Commitment [Table] Long-term Purchase Commitment [Table] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Local Phone Number Local Phone Number Advent Key West, LLC (Landlord) Advent Key West Llc [Member] Represents the information pertaining to Advent Key West, LLC. Business acquisition, pro forma information Business Acquisition, Pro Forma Information [Table Text Block] Cash paid for Biscayne acquisition Cash consideration Payments to Acquire Businesses, Gross Schedule of reconciliation of unrecognized tax benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Future Sales Performance SPN-830 Future Sales Performance [Member] SPN-830 Future Sales Performance Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Aggregate intrinsic value of shares exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Revenues Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual 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] Accrued Product Returns and Rebates Accrued Product Returns and Rebates No definition available. Entity Address, Address Line One Entity Address, Address Line One Gross decreases related to prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Contract liabilities Contract with Customer, Liability Entity Emerging Growth Company Entity Emerging Growth Company Acquired In-process Research & Development Indefinite-lived Intangible Assets (Excluding Goodwill) Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Consecutive trading day period (in days) Debt Instrument, Convertible, Threshold Consecutive Trading Days Additional cash payments upon milestone achievements maximum Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Pro forma total revenues Business Acquisition, Pro Forma Revenue Deferred income tax (benefit) provision Deferred Income Tax Expense (Benefit) Fixed lease cost Finance Lease, Fixed Lease, Cost Finance Lease, Fixed Lease, Cost Award Type [Axis] Award Type [Axis] Less accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Maximum Maximum [Member] Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets 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. Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Measurement Basis [Axis] Measurement Basis [Axis] Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Outstanding at the end of the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Interest earned from cash, cash equivalents, and marketable securities Interest Revenue (Expense), Net Award Type [Domain] Award Type [Domain] Interest expense Other Nonoperating Expense Corporate debt securities Corporate Debt Securities [Member] Trading Symbol Trading Symbol Contingent consideration liability related to USWM acquisition Business Combination, Contingent Consideration Arrangements, Acquisition Liability Business Combination, Contingent Consideration Arrangements, Acquisition Liability Exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Realized gains from sales of marketable securities Marketable Securities, Realized Gain (Loss) Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Convertible notes issuance financing costs Payment of Financing and Stock Issuance Costs Earnings per Share Earnings Per Share [Text Block] Current liabilities Liabilities, Current [Abstract] SPN-30 Regulatory and Commercial Activities SPN-830 Regulatory And Commercial Activities [Member] SPN-830 Regulatory And Commercial Activities Entity Shell Company Entity Shell Company Accounts Receivable, Net Accounts Receivable, after Allowance for Credit Loss [Abstract] Recurring Fair Value, Recurring [Member] 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. 2022 Finance Lease, Liability, to be Paid, Year Two Vested and expected to vest (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Noncash royalty revenue Revenue From Royalty Agreement Represents revenue from the sale of certain royalty and milestone rights. Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Entity Public Float Entity Public Float Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]