Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Operating lease liabilities, current portion, location Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional  Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Stock options and stock awards Share-Based Payment Arrangement [Member] License License [Member] Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Loss per share, basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Liabilities: Liabilities, Fair Value Disclosure [Abstract] Disaggregated Revenues Revenue from Contract with Customer [Text Block] Schedule of Revenue, Cost of Revenues, and Expense Collaborative Arrangement and Arrangement Other than Collaborative [Table Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Short-term debt Short-Term Debt Intangible Asset, Indefinite-Lived [Table] Intangible Asset, Indefinite-Lived [Table] Schedule of Unrestricted Marketable Securities Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Collaboration revenue (ZURZUVAE) Revenue from Collaborative Arrangement, Excluding Revenue from Contract with Customer Biogen Collaboration Agreement Biogen Collaboration Agreement [Member] Biogen Collaboration Agreement Consolidation Consolidation, Policy [Policy Text Block] Annual Net Sales of ZURZUVAE 2030 Annual Net Sales Of ZURZUVAE 2030 [Member] Annual Net Sales Of ZURZUVAE 2030 Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Collaborative arrangement, contingent consideration, maximum Collaborative Arrangement, Contingent Consideration, Range Of Outcomes, Maximum, Amount Collaborative Arrangement, Contingent Consideration, Range Of Outcomes, Maximum, Amount Indefinite-lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Share-based compensation expense Share-Based Payment Arrangement, Expense Schedule of Property and Equipment Property, Plant and Equipment [Table Text Block] Common stock, authorized (in shares) Common Stock, Shares Authorized Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Issuance of common stock related to employee stock purchase plan and share-based awards, net of taxes withheld (in shares) Stock Issued During Period, Shares, New Issues Current assets Assets, Current [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Total liabilities and stockholders' equity Liabilities and Equity Income per share Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Number of Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Liabilities and stockholders' equity Liabilities and Equity [Abstract] Other income (expense) Other Nonoperating Income (Expense) [Abstract] Cover page. Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Estimated Useful Lives (in years) Finite-Lived Intangible Asset, Useful Life Accounting Policies [Abstract] Accounting Policies [Abstract] Marketable securities Debt Securities, Current [Abstract] Carrying Amount, Net Finite-Lived Intangible Assets, Net Collaborative arrangement, expected development costs Collaborative Arrangement, Expected Development Costs Collaborative Arrangement, Expected Development Costs Insurance Recoveries Insurance Recoveries, Policy [Policy Text Block] Insurance Recoveries, Policy Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Notes payable Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Restricted Stock Units Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Revenue, remaining performance obligation, variable consideration amount Revenue, Remaining Performance Obligation, Variable Consideration Amount Revenue, Remaining Performance Obligation, Variable Consideration Amount Adjustment, Intangible assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles Total lease liabilities Operating Lease, Liability U.S government agency securities US Government Agencies Debt Securities [Member] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Liabilities Liabilities [Abstract] Sage Acquisition Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Clinical Supply Agreement Clinical Supply Agreement [Member] Clinical Supply Agreement Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Schedule of Performance Stock Unit Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] Accrued product returns Accrued Product Returns Represents the amount of accrued product returns. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Schedule of Share-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Amortization of premium/discount on marketable securities Investment Income, Net, Amortization of Discount and Premium Operating lease liabilities, current portion Operating Lease, Liability, Current Schedule of 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] Maturities of marketable securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Software Software and Software Development Costs [Member] Document Fiscal Period Focus Document Fiscal Period Focus Collaborative arrangement, acquisition-related cost, expense Collaborative Arrangement, Acquisition-Related Cost, Expense Collaborative Arrangement, Acquisition-Related Cost, Expense Collaborative Arrangements Collaborative Arrangement, Accounting Policy [Policy Text Block] Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type [Axis] Award Type [Axis] Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Schedule of Intangible Assets, Net Schedule of Intangible Assets and Goodwill [Table Text Block] Entity Address, City or Town Entity Address, City or Town Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other segment items Segment Reporting, Other Segment Item, Amount Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSUs Restricted Stock Units (RSUs) [Member] Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Assets: Assets, Fair Value Disclosure [Abstract] Schedule of Acquired Intangible Assets Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Marketing expenses Marketing Expense Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Lease assets obtained for new operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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 Total fair value of assets acquired Business Combination, Recognized Asset Acquired, Asset Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] APOKYN APOKYN [Member] APOKYN Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] SPN-820 SPN-820 [Member] SPN-820 Common stock, outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding PEO PEO [Member] Schedule of Disaggregation of Revenue by Nature Disaggregation of Revenue [Table Text Block] Marketable securities - restricted (SERP) Assets for Plan Benefits, Defined Benefit Plan ZURZUVAE ZURZUVAE [Member] ZURZUVAE Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Retained Earnings Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Number of RSUs Number of PSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash and cash equivalents at beginning of year Cash, cash equivalents, and restricted cash at end of year Total cash, cash equivalents, and restricted cash shown in the statement of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax expense (benefit) Income tax expense (benefit) Income Tax Expense (Benefit) Shionogi Shionogi [Member] Shionogi Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Business Combination, Contingent Consideration Business Combination, Contingent Consideration [Table Text Block] Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Subtotal Property, Plant and Equipment, Gross Accrued product rebates Accrued Rebates Represents the amount of accrued rebates. Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities at fair value Liabilities, Fair Value Disclosure Business Combination [Table] Business Combination [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Purchase Price Allocation Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Noncash lease expense Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Collaborative arrangement, upfront development costs Collaborative Arrangement, Upfront Development Costs Collaborative Arrangement, Upfront Development Costs Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Total Accrued Liabilities, Current 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 Milestone payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Nonvested, beginning balance (in shares) Nonvested, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number USWM Acquisition MDD US Enterprises LLC (Formerly USWM Enterprises) [Member] MDD US Enterprises LLC (Formerly USWM Enterprises) Adjustment, other liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liability, Noncurrent Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liability, Noncurrent Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Collaborative arrangement, number of studies Collaborative Arrangement, Number Of Studies Collaborative Arrangement, Number Of Studies General and administrative expenses General and Administrative Expense Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Total fair value Debt Securities, Available-for-Sale, Excluding Accrued Interest Subsequent Event Subsequent Event [Member] Selling, general and administrative Selling, General and Administrative Expenses [Member] Goodwill Beginning balance Ending balance Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Supplemental Cash Flow Information Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount 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 Money market funds Money Market Funds [Member] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] 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. Equity Components [Axis] Equity Components [Axis] Property and equipment Property, Plant and Equipment [Line Items] Business Organization Nature of Operations [Text Block] Royalty, licensing, and other revenues Royalty, licensing, and other revenues Royalty, License And Other Revenue [Member] Royalty, License And Other Revenue Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Net product sales Product [Member] Number of reportable segments Number of Reportable Segments Inventories, net Business Combination, Recognized Asset Acquired, Inventory, Current Supplemental cash flow information Supplemental Cash Flow Information [Abstract] Accounts receivable, net Business Combination, Recognized Asset Acquired, Receivable, Current Advertising Expense Advertising Cost [Policy Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Entity Address, State or Province Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Total current liabilities Liabilities, Current Accrued product returns and rebates Increase (Decrease) In Accrued Product Returns And Rebates Amount of increase (decrease) in product returns and rebates. Litigation Status [Axis] Litigation Status [Axis] Individual: Individual [Axis] Cash consideration paid for cash settlement of Sage's equity awards Other Payments to Acquire Businesses Research and development Research and Development Expense [Member] Entity [Domain] Entity [Domain] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Deferred income tax assets, net Business Combination, Recognized Asset Acquired, Deferred Income Tax Assets, Net Business Combination, Recognized Asset Acquired, Deferred Income Tax Assets, Net Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Operating lease assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Adjustment, Prepaid expenses and other current assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expense And Other Assets, Current Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expense And Other Assets, Current Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Reportable Segment Reportable Segment [Member] Reportable Segment Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Business Combination, Contingent Consideration, Type [Axis] Business Combination, Contingent Consideration, Type [Axis] Restricted cash Business Combination, Recognized Asset Acquired, Restricted Cash Business Combination, Recognized Asset Acquired, Restricted Cash Segment Reporting Segment Reporting Disclosure [Text Block] Remaining Weighted Average Life (Years) Finite-Lived Intangible Assets, Remaining Amortization Period Fair value of financial instruments Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Threshold for development costs payments Collaborative Arrangement, Threshold For Development Costs Payments Collaborative Arrangement, Threshold For Development Costs Payments Other liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair value of contingent consideration Contingent consideration Contingent consideration Business Combination, Contingent Consideration, Liability Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of intangible assets Amortization of intangible assets Amortization of Intangible Assets Selling, general and administrative Selling, General and Administrative Expense Deferred income tax assets, net Deferred Income Tax Assets, Net Depreciation and amortization Depreciation, Depletion and Amortization Other assets Other Assets, Noncurrent Accrued royalties Accrued Royalties, Current Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount William Todd Horich [Member] William Todd Horich Revolving Credit Facility Revolving Credit Facility [Member] Balance at beginning of period Balance at end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Contingent consideration, long-term Business Combination, Contingent Consideration, Liability, Noncurrent Arrangement Duration Trading Arrangement Duration Number of outstanding milestones Business Combination, Contingent Consideration, Number Of Outstanding Milestones Business Combination, Contingent Consideration, Number Of Outstanding Milestones Computer equipment Computer Equipment [Member] Segments [Axis] Segments [Axis] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accrued R&D expenses Accrued Research and Development Expenses, Current Represents the amount of clinical trial and clinical supply costs accrued. Work in process Inventory, Work in Process, Net of Reserves Annual Net Sales of ZURZUVAE 2027 Annual Net Sales Of ZURZUVAE 2027 [Member] Annual Net Sales Of ZURZUVAE 2027 Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Share-Based Payments Share-Based Payment Arrangement [Text Block] Contingent consideration, current portion Contingent consideration, current portion Business Combination, Contingent Consideration, Liability, Current Merger Agreement Merger Agreement [Member] Merger Agreement Total external development program expenses External Research And Development Expense External Research And Development Expense Intangible assets Fair Value Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Assets Assets [Abstract] Revenue, Remaining Performance Obligation, Type [Domain] Revenue, Remaining Performance Obligation, Type [Domain] Revenue, Remaining Performance Obligation, Type [Domain] Noncurrent inventory Inventory, Noncurrent Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss, Current Contingent Consideration Contingent Consideration Disclosure [Text Block] Contingent Consideration Disclosure Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Marketable securities Business Combination, Recognized Asset Acquired, Marketable Securities, Current Business Combination, Recognized Asset Acquired, Marketable Securities, Current Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Carrying Amount, Gross Finite-Lived Intangible Assets, Gross Stockholders' equity Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Research and development Total research and development expenses Research and development expenses Research and Development Expense Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Operating lease liabilities, long-term Operating lease liabilities, long-term Operating Lease, Liability, Noncurrent Impairment due to credit losses Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not Previously Recorded Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Biogen Biogen [Member] Biogen Schedule of Balance Sheet Information Related to Leases Lessee, Operating and Finance Lease, Balance Sheet Disclosure [Table Text Block] Lessee, Operating and Finance Lease, Balance Sheet Disclosure Annual Net Sales of ZURZUVAE 2028 Annual Net Sales Of ZURZUVAE 2028 [Member] Annual Net Sales Of ZURZUVAE 2028 Insurance recoveries Insurance Recoveries Fair Value as of Grant Date Award Grant Date Fair Value Investments Equity Securities, FV-NI, Cost Entity Registrant Name Entity Registrant Name ONAPGO ONAPGO ONAPGO [Member] ONAPGO Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Municipal debt securities Municipal Bonds [Member] Stock options and stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Total costs and expenses Costs and Expenses Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Total assets at fair value Assets, Fair Value Disclosure Trokendi XR Trokendi Xr [Member] Represents information pertaining to Trokendi XR patent litigation. Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Number of operating segments Number of Operating Segments Other Manufactured Product, Other [Member] Insurance settlements receivable, current Insurance Settlements Receivable, Current Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Outstanding at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Number of performance obligations Revenue, Remaining Performance Obligation, Number Of Performance Obligations Revenue, Remaining Performance Obligation, Number Of Performance Obligations Granted (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 Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Contingent consideration, minimum Business Combination, Contingent Consideration, Range of Outcomes, Minimum, Amount Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Restatement Determination Date: Restatement Determination Date [Axis] Aggregate consideration paid Cash consideration paid for Sage's common stock Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Weighted Average Remaining Contractual Term (in years) Share Based Compensation Arrangement by Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Gross unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] William Todd Horich, Terminated Plan [Member] William Todd Horich, Terminated Plan Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Advertising costs Advertising Expense Other noncash adjustments, net Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Operating lease liability Business Combination, Recognized Liability Assumed, Lease Obligation Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Derivative Litigation Derivative Litigation [Member] Derivative Litigation Compensation Amount Outstanding Recovery Compensation Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Contingent consideration, threshold, annual net sales Business Combination, Contingent Consideration, Threshold, Annual Net Sales Business Combination, Contingent Consideration, Threshold, Annual Net Sales Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Collaborative arrangement, termination notice period Collaborative Arrangement, Termination Notice Period Collaborative Arrangement, Termination Notice Period Name Awards Close in Time to MNPI Disclosures, Individual Name Nonvested, beginning balance (in dollars per share) Nonvested, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Restricted cash Restricted Cash, Noncurrent Contingent consideration loss Change in fair value of contingent consideration Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Reclassification to Other current liabilities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Reclassification Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Reclassification Revenues Revenues [Abstract] Revenue, Remaining Performance Obligation, Type [Axis] Revenue, Remaining Performance Obligation, Type [Axis] Revenue, Remaining Performance Obligation, Type Share-based compensation expense related to employee stock purchase plan and share-based awards APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Financial Instruments [Domain] Financial Instruments [Domain] Litigation Case [Axis] Litigation Case [Axis] Segments [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Lab equipment and furniture Lab Equipment And Furniture [Member] Represents information pertaining to lab equipment and furniture. Performance-Based Units Performance Shares [Member] Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Adjustment, deferred income tax assets, net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Tax Assets, Net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Tax Assets, Net Inventories Increase (Decrease) in Inventories Total Inventory, Net Acquired developed technology and product rights Developed Technology Rights [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Loss per share EPS Basic And Diluted [Abstract] EPS Basic And Diluted Adjustment, Goodwill Goodwill, Measurement Period Adjustment William Todd Horich, March 2026 Plan [Member] William Todd Horich, March 2026 Plan Company Selected Measure Name Company Selected Measure Name Purchases of marketable securities Payments to Acquire Debt Securities, Available-for-Sale Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Cash paid for operating leases Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Total fair value of liabilities assumed Business Combination, Recognized Liability Assumed, Liability Adjustment, Total fair value of assets acquired Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Numerator for dilutive earnings (loss) per share Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Finished goods Inventory, Finished Goods, Net of Reserves Common stock, $0.001 par value; 130,000,000 shares authorized; 58,039,721 and 57,457,462 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Goodwill [Roll Forward] Goodwill [Roll Forward] Prepaid expenses and other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Other noncurrent assets Other Assets, Noncurrent [Abstract] Diluted (in shares) Weighted average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (Note 17) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Contingents value rights Business Combination, Contingent Consideration, Number Of Contingent Value Rights Per Common Share Business Combination, Contingent Consideration, Number Of Contingent Value Rights Per Common Share Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] CVR Agreement CVR Agreement [Member] CVR Agreement First Commercial Sale In Japan For ZURZUVAE First Commercial Sale In Japan For ZURZUVAE [Member] First Commercial Sale In Japan For ZURZUVAE Adjustment, Total identifiable net assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Document Transition Report Document Transition Report Operating lease assets, location Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Achievement Of Specified Commercialization Milestones Achievement Of Specified Commercialization Milestones [Member] Achievement Of Specified Commercialization Milestones PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Income Tax Expense (Benefit) Income Tax Disclosure [Text Block] Adjustment, Inventories, net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory Composition of Other Balance Sheet Items Supplemental Balance Sheet Disclosures [Text Block] Schedule of Accrued Sales Deductions Schedule of Accrued Product Returns and Rebates [Table Text Block] Tabular disclosure of the accrued product returns and rebates. Payment of contingent consideration Payment of contingent consideration Payment for Contingent Consideration Liability, Financing Activities Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] SPN-817 SPN-817 [Member] SPN-817 Scenario [Axis] Scenario [Axis] Operating lease liabilities, long-term, location Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Loss per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Business Combination, Contingent Consideration, Type [Domain] Business Combination, Contingent Consideration, Type [Domain] Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Litigation Status [Domain] Litigation Status [Domain] All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Reconciliation of cash, cash equivalents, and restricted cash reported in the condensed consolidated balance sheets Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Employee taxes paid related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Numerator for basic earnings (loss) per share Net Income (Loss) Available to Common Stockholders, Basic Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Other comprehensive gain (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities Liabilities, Current [Abstract] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Business combination, price per share (in dollars per share) Business Combination, Price Per Share Level 1 Fair Value, Inputs, Level 1 [Member] Share-based payments Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Accounts payable and accrued liabilities Business Combination, Recognized Liability Assumed, Accounts Payable, Current Diluted (in dollars per share) Loss per share, diluted (in dollars per share) Earnings Per Share, Diluted Forecast Forecast [Member] Achievement Of Specified Net Sales Milestones Achievement Of Specified Net Sales Milestones [Member] Achievement Of Specified Net Sales Milestones Achievement Of Specified Regulatory Milestones Achievement Of Specified Regulatory Milestones [Member] Achievement Of Specified Regulatory Milestones Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Number of plaintiff Loss Contingency, Number of Plaintiffs Annual minimum purchase quantity requirement amount Purchase Commitment, Annual Minimum Amount Committed Purchase Commitment, Annual Minimum Amount Committed Change in fair value recognized in earnings, location Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other comprehensive gain (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Schedule of Accounts Payable and Accrued Liabilities Schedule of Accrued Liabilities and Other Current Liabilities [Table Text Block] Tabular disclosure of the components of accrued liabilities and other current liabilities. Earnings Per Share [Abstract] Earnings Per Share [Abstract] Total other income (expense), net Nonoperating Income (Expense) Number of commercial products Number Of Commercial Products Number Of Commercial Products Investments, Debt and Equity Securities [Abstract] Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] 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] Marketable securities Debt Securities, Available-for-Sale, Current Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Payment of contingent consideration Payment of contingent consideration Payment for Contingent Consideration Liability, Operating Activities Subsequent Commercial Product Launch Subsequent Commercial Product Launch [Member] Subsequent Commercial Product Launch Effect of dilutive securities: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Number of defendants Loss Contingency, Number of Defendants Cash paid (refund received) for income taxes Income Taxes Paid, Net Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Award Timing Disclosures [Line Items] Inventories, net Total Current inventory Inventory, Current Inventory, Current Schedule of Inventory, Current Schedule of Inventory, Current [Table Text Block] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Accrued compensation, benefits, & related accruals Employee-related Liabilities, Current Collaborative arrangement, payment for one time fee Collaborative Arrangement, Payment For One Time Fee Collaborative Arrangement, Payment For One Time Fee Optional lease renewal term (in years) Lessee, Operating Lease, Renewal Term Unrealized gain (loss) on marketable securities, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Prior year sale adjustments, percentage Contract With Customer, Prior Year Sale Adjustments, Percentage Contract With Customer, Prior Year Sale Adjustments, Percentage Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date VIE, qualitative or quantitative information, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Sage Litigation Pending Litigation [Member] Other accrued expenses Other Accrued Liabilities, Current Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Adoption Date Trading Arrangement Adoption Date Additional cash payments upon milestone achievements maximum Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Collaboration revenue (ZURZUVAE) Collaboration revenue (ZURZUVAE) Collaboration Revenue [Member] Collaboration Revenue Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Operating loss Operating Income (Loss) Consolidated Entities [Domain] Consolidated Entities [Domain] Line of Credit Line of Credit [Member] Retained earnings Retained Earnings (Accumulated Deficit) Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type [Domain] Subsequent Event Type [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Weighted Average Grant Date Fair Value per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Adjustment, Total fair value of liabilities assumed Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities Assumed Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities Assumed Interest and other income, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Collaboration Agreements Collaborative Arrangement Disclosure [Text Block] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash Cash [Member] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Total purchase price Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Internal employee-related expenses Internal Research and Development Expense Internal Research and Development Expense Contract liabilities Contract with Customer, Liability Total identifiable net assets Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Operating lease asset Business Combination, Recognized Asset Acquired, Operating Lease Asset Business Combination, Recognized Asset Acquired, Operating Lease Asset 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 shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Early stage programs and other expenses Early Stage Program And Other [Member] Early Stage Program And Other All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Schedule of Fair Value of the Financial Assets and Liabilities Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Goodwill activity from Sage Acquisition Goodwill, Acquired During Period, Net Of Measurement Period Adjustments Goodwill, Acquired During Period, Net Of Measurement Period Adjustments Oxtellar XR Oxtellar X R [Member] Represents information pertaining to Oxtellar XR product. Schedule of Stock Options Share-Based Payment Arrangement, Option, Activity [Table Text Block] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Selling expenses Selling Expense Basic (in shares) Weighted average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Inventory valuation write-down Inventory Write-down Cost of revenues Cost of revenues Cost of Product and Service Sold Navitor Pharmaceuticals, Inc. Navitor Pharmaceuticals, Inc. [Member] Navitor Pharmaceuticals, Inc. Schedule of Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number GOCOVRI GOCOVRI [Member] GOCOVRI Segment Reporting [Abstract] Cost of revenues Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Costs and expenses Costs and Expenses [Abstract] Qelbree Qelbree [Member] Qelbree Rights per share (in dollars per share) Business Combination, Contingent Consideration, Range Of Outcomes, Maximum, Price Per Share Business Combination, Contingent Consideration, Range Of Outcomes, Maximum, Price Per Share Raw materials Inventory, Raw Materials and Purchased Parts, Net of Reserves Realized loss (gain) from sale of marketable securities Debt Securities, Available-for-Sale, Realized Gain (Loss) 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 Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Share-Based Payments Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Sage Therapeutics, Inc. Sage Therapeutics, Inc. [Member] Sage Therapeutics, Inc. Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Adjustment, operating lease asset Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease Asset Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease Asset Common stock, issued (in shares) Common Stock, Shares, Issued Schedule of Inventory, Current and Noncurrent Schedule Of Inventory, Current And Noncurrent [Table Text Block] Schedule Of Inventory, Current And Noncurrent Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Gain (loss) in fair value recognized in earnings Change in fair value recognized in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Marketable securities Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Collaboration revenue, percentage Revenue From Collaborative Arrangement, Excluding Revenue From Contract with Customer, Percentage Revenue From Collaborative Arrangement, Excluding Revenue From Contract with Customer, Percentage Issuance of common stock related to employee stock purchase plan and share-based awards, net of taxes withheld Stock Issued During Period, Value, New Issues Statement [Line Items] Statement Statement [Line Items] Revenue Recognition Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Accrued manufacturing expenses Accrued manufacturing expenses Accrued manufacturing expenses Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Corporate debt securities Corporate Debt Securities [Member] Net change in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accrued sales & marketing Accrued Professional Fees, Current Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Domain]