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Assets Assets [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Investment, Name [Axis] Investment, Name [Axis] Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Accounting Policies [Abstract] Accounting Policies [Abstract] Convertible notes, net Carrying Value Total carrying value Convertible Notes Payable, Noncurrent Entity Shell Company Entity Shell Company Cover page. Cover [Abstract] 3 years to 4 years Available For Sale Securities Debt Maturities Three Years Through Four Years Fair Value 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. 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Entity Current Reporting Status Entity Current Reporting Status Other assets Other Assets, Noncurrent Investments in Unconsolidated VIEs Equity Method Investments and Joint Ventures Disclosure [Text Block] 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 Scenario [Axis] Scenario [Axis] Interest expense Interest Expense, Debt MDD US Enterprises LLC (Formerly USWM Enterprises) MDD US Enterprises LLC (Formerly USWM Enterprises) [Member] MDD US Enterprises LLC (Formerly USWM Enterprises) 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 Marketable securities - restricted (SERP) Assets for Plan Benefits, Defined Benefit Plan Income taxes payable Accrued Income Taxes, Current Antidilutive Securities [Axis] Antidilutive Securities [Axis] Investments Equity Securities, FV-NI, Cost Entity Small Business Entity Small Business As Initially Reported Previously Reported [Member] Interest expense Total Interest Expense Depreciation and amortization Depreciation, Depletion and Amortization Entity Filer Category Entity Filer Category Revenue Recognition Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Product and Service [Axis] Product and Service [Axis] 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. Entity Address, City or Town Entity Address, City or Town Amortization of premium/discount on marketable securities Investment Income, Net, Amortization of Discount and Premium 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 Interest Expense Other Nonoperating Income and Expense [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Issuance of common stock in connection with the Company’s equity award plans (in shares) Stock Issued During Period Shares Stock Options and Warrants Exercised Number of share options and warrants (or share units) exercised during the current period. 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] Realized gains from sales of marketable securities Marketable Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment Loss Document Fiscal Year Focus Document Fiscal Year Focus Accounts payable Increase (Decrease) in Accounts Payable Property and equipment additions from utilization of tenant improvement allowance Property And Equipment Acquired Under Build To Suit Lease Transaction Property And Equipment Acquired Under Build To Suit Lease Transaction Accrued product returns and rebates Increase (Decrease) in Accrued Product Returns and Rebates Amount of increase (decrease) in product returns and rebates. Additional  Paid-in Capital Additional Paid-in Capital [Member] MYOBLOC MYOBLOC [Member] MYOBLOC Schedule of interest expense 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 Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Deferred income tax liabilities, net 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 Asset Class [Axis] Asset Class [Axis] 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] 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 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 Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Royalty revenues Royalty [Member] Acquisition of USWM, net of cash acquired Cash consideration to seller 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, RSU and SAR (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Goodwill and Goodwill Impairment Assessment Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Document Period End Date Document Period End Date Entity Registrant Name Entity Registrant Name Threshold for development costs payments Collaborative Arrangement, Threshold For Development Costs Payments Collaborative Arrangement, Threshold For Development Costs Payments 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 Accrued royalties Accrued Royalties, Current 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] 2 years to 3 years Available For Sale Securities Debt Maturities Two Years Through Three Years Fair Value 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. Current assets Assets, Current [Abstract] Interest income Investment Income, Interest Goodwill Goodwill, Gross Comprehensive earnings Comprehensive Income (Loss), Net of Tax, Attributable to Parent Capitalized patent defense costs Patent Defense Costs [Member] Represents information concerning the capitalized patent defense costs related to the Watson litigation. Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Schedule of reconciliation of income tax expense at the U.S Federal statutory income tax rate to the entity's effective income tax rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Numerator, dollars in thousands: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Scenario [Domain] Scenario [Domain] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Counterparty Name [Domain] Counterparty Name [Domain] Measurement Period Adjustments Revision of Prior Period, Adjustment [Member] 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. Entity Tax Identification Number Entity Tax Identification Number Convertible Senior Notes Due 2023 Long-term Debt [Text Block] Balance at December 31, 2019 Balance at September 30, 2020 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] Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Summary of disaggregation of revenues by nature Disaggregation of Revenue [Table Text Block] Trading Symbol Trading Symbol 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 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 Royalty revenue agreements Royalty Agreements [Member] Additional disclosures Intangible Assets, Net (Excluding Goodwill) [Abstract] Commitment period Long-term Purchase Commitment, Period Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Leases Lessee, Lease, Description [Line Items] Leases Lessee, Operating Leases [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Trokendi XR Trokendi Xr [Member] Represents information pertaining to Trokendi XR patent litigation. 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Payments to Acquire Other Investments Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction XADAGO XADAGO [Member] XADAGO Lab equipment and furniture Lab Equipment And Furniture [Member] Represents information pertaining to lab equipment and furniture. Gross unrealized losses Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Lease assets and tenant receivable obtained for new leases Right-of-Use Asset Obtained In Exchange For Operating And Finance Lease Liability Right-of-Use Asset Obtained In Exchange For Operating And Finance Lease Liability Long term marketable securities Debt Securities, Noncurrent [Abstract] Accrued Expenses and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Goodwill Goodwill 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) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent 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 Accrued Product Returns and Rebates Accrued Product Returns and Rebates [Text Block] The entire disclosure for accrued product returns and rebates. Income taxes payable Increase (Decrease) in Income Taxes Payable 2023 Notes Debt Instrument, Face Amount Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of shares per warrant entitled to holder (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. Asset Class [Domain] Asset Class [Domain] 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] 2023 Notes Percentage Of0.625 Convertible Senior Notes Due2023 [Member] Represents information pertaining to 0.625% Convertible Senior Notes due 2023. Entity Central Index Key Entity Central Index Key Schedule of Intangible Assets and Goodwill 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. Entity Emerging Growth Company Entity Emerging Growth Company Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price 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, per share of common stock (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 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] Number of operating segments Number of Operating Segments Debt Disclosure [Abstract] Debt Disclosure [Abstract] 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 Non-cash interest expense Amortization of Debt Issuance Costs and Discounts Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Share-based compensation expense Share-based Payment Arrangement, Expense Schedule of accrued product returns and rebates Schedule of Accrued Product Returns and Rebates [Table Text Block] Tabular disclosure of the accrued product returns and rebates. Investments by Consolidated and Nonconsolidated Entities [Domain] Investments by Consolidated and Nonconsolidated Entities [Domain] Counterparty Name [Axis] Counterparty Name [Axis] Common stock, $0.001 par value; 130,000,000 shares authorized; 52,670,121 and 52,533,348 shares issued and outstanding as of September 30, 2020 and December 31, 2019, respectively Common Stock, Value, Issued Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Intangible Assets Finite-Lived Intangible Assets [Line Items] 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 Total intangible assets, net Intangible Assets, Net (Including Goodwill) 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] 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 Finance lease incremental borrowing rate Lessee, Finance Lease, Incremental Borrowing Rate Lessee, Finance Lease, Incremental Borrowing Rate Accounts receivable Increase (Decrease) in Accounts Receivable Notes payable 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 Business Nature of Operations [Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Contingent consideration liability accrued in USWM Acquisition Initial estimate of contingent consideration Business Combination, Consideration Transferred Total liabilities and stockholders’ equity Liabilities and Equity 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] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Accrued compensation Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Deferred legal fees Payments to Acquire Intangible Assets RSUs Restricted Stock Units (RSUs) [Member] Other noncurrent assets Other Assets, Noncurrent [Abstract] Number of established marketed products Number Of Established Marketed Products Number Of Established Marketed Products Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Total fair value of 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] Common stock equivalents excluded in the calculation of diluted income per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Annual minimum purchase quantity requirement amount Purchase Commitment, Annual Minimum Amount Committed Purchase Commitment, Annual Minimum Amount Committed Net product sales Product [Member] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Estimated Useful Lives as of Closing Date (in years) Finite-Lived Intangible Asset, Useful Life Equity Component [Domain] Equity Component [Domain] Schedule of accrued expenses and other current liabilities Schedule of Accrued Liabilities and Other Current Liabilities [Table Text Block] Tabular disclosure of the components of accrued liabilities and other current liabilities. Entity Address, Address Line One Entity Address, Address Line One Other noncurrent assets Increase (Decrease) in Other Noncurrent Assets Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Construction-in-progress Construction in Progress [Member] Noncash interest expense Interest Expense Non Recourse Royalty Liability Interest incurred in the period on the non-recourse sale of future royalty liability arrangement that was charged against earnings. Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Share-Based Payments Share-based Payment Arrangement [Text Block] Net earnings Net earnings Net earnings Net Income (Loss) Attributable to Parent Entity Address, State or Province Entity Address, State or Province Finance lease liability, long term Finance Lease, Liability, Noncurrent Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] 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 Earnings Per Share [Abstract] Earnings Per Share [Abstract] Conversion of debt to equity Debt Conversion, Original Debt, Amount Finance lease liability Finance Lease, Liability Income per share Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] 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. 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] Entity Interactive Data Current Entity Interactive Data Current Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Convertible note hedge options issued (in shares) Debt Conversion, Converted Instrument, Warrants or Options Issued Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Supplemental cash flow information Supplemental Cash Flow Information [Abstract] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] 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] Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Issuance of common stock in connection with the Company’s equity award plans Stock Issued During Period Value Stock Options and Warrants Exercised Value of stock issued as a result of the exercise of stock options and warrants. Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Inventory [Domain] Inventory [Domain] Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Abstract] Leasehold improvements Leasehold Improvements [Member] Intangible assets, gross Finite-Lived Intangible Assets, Gross Revenues 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 Debt Instrument, Interest Rate, Stated Percentage Municipal debt securities Municipal Bonds [Member] Money market funds Money Market Funds [Member] Greater than 4 years Available For Sale Securities Debt Maturities, Thereafter, Fair Value Available For Sale Securities Debt Maturities, Thereafter, Fair Value Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Noncash investing and financing activities Noncash Investing and Financing Items [Abstract] 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] Total other expense Nonoperating Income (Expense) Finance lease asset Finance Lease, Right-of-Use Asset, after Accumulated Amortization Stock options, RSUs, PSUs Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] 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 Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Marketable securities Debt Securities, Current [Abstract] Total Fair Value Reported Value Measurement [Member] 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. Disaggregated Revenues Revenue from Contract with Customer [Text Block] Cash paid for interest on convertible notes Interest Paid, Excluding Capitalized Interest, Operating Activities Transaction costs adjustment Business Acquisition, Transaction Costs Adjustment Business Acquisition, Transaction Costs Adjustment Oxtellar XR Oxtellar X R [Member] Represents information pertaining to Oxtellar XR product. Additional paid-in capital Additional Paid in Capital Inventories Inventory, Policy [Policy Text Block] Income tax expense Income Tax Expense (Benefit) Cash paid for income taxes 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 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. Diluted (in dollars per share) Earnings per share, diluted (in dollars per share) Earnings Per Share, Diluted Noncash operating lease cost Noncash Operating Lease Cost Noncash Operating Lease Cost Finance lease liability, current portion Finance Lease, Liability, Current Long-term Purchase Commitment [Table] Long-term Purchase Commitment [Table] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Business Acquisition, Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] 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. Intangible assets, gross Indefinite-lived Intangible Assets (Excluding Goodwill) Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] 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 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] Security Exchange Name Security Exchange Name Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Retained Earnings Retained Earnings [Member] Measurement Basis [Axis] Measurement Basis [Axis] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Fair value of financial instruments 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] Award Type [Domain] Award Type [Domain] Document Transition Report Document Transition Report Corporate debt securities Corporate Debt Securities [Member] Exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price 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] Earnings per Share Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Current liabilities Liabilities, Current [Abstract] Recurring Fair Value, Recurring [Member] 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 Non-cash 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] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]