Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Increase in number of authorized shares on the first day of each fiscal year, as a percentage of outstanding common stock (as a percent) Share Based Compensation Arrangement by Share Based Payment Award, Annual Additional Shares Authorized as Percentage of Outstanding Shares Represents the additional shares that may be authorized for issuance annually under an established share-based compensation plan, expressed as a percentage of the entity's outstanding shares. Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Document Fiscal Year Focus Document Fiscal Year Focus Acquisition related expenses Total acquisition-related expenses Business Combination, Acquisition-Related Cost, Expense Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Segment Reporting [Abstract] Segment Reporting [Abstract] Schedule of Future Amortization Expenses Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Proceeds from milestone payments Potential Proceeds From Sales-Based Milestone Payments, Potential Proceeds From Sales-Based Milestone Payments, Schedule of Financial Instruments Measured at Fair Value by Level Within Fair Value Hierarchy Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock, $0.001 par value; authorized shares - 100,000,000; 40,629,601 issued and 31,600,879 outstanding shares as of March 31, 2026 and 39,646,749 issued and 31,440,155 outstanding shares as of December 31, 2024 Common Stock, Value, Issued Payments made for employee stock tax withholdings Payment, Tax Withholding, Share-Based Payment Arrangement Accrued payroll and related benefits Employee-related Liabilities, Current Other account adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Certain Other Accounts This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to certain other accounts assumed in connection with a business combination for which the initial accounting was incomplete. Convertible Senior Notes. Convertible Senior Notes. [Abstract] No definition available. Threshold amount of money borrowed Debt Instrument, Default Provisions, Threshold Amount Borrowed Threshold amount of money to be borrowed to invoke customary default provisions under the convertible notes. Azstarys Acquisition date fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) Integration consulting expenses Business Combination, Integration-Related Cost, Expense Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Vesting of RSUs and PSUs (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures BDSI Acquisition Litigation BdsiAcquisitionLitigation [Member] Represents information pertaining to Litigation Related to the BDSI Acquisition. Trade Allowances and Chargebacks Allowance And Chargebacks For Trade Receivables [Member] Allowance And Chargebacks For Trade Receivables Initial conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Net (amortization) accretion for deferred royalty obligation Net (Amortization) Accretion For Deferred Royalty Obligation Net (Amortization) Accretion For Deferred Royalty Obligation Amendment Flag Amendment Flag Current liabilities Liabilities, Current [Abstract] Shares repurchased, cost per share (in dollars per share) Shares Acquired, Average Cost Per Share Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Other noncurrent assets Inventory, Noncurrent Marketable Securities Marketable Securities [Line Items] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Property, plant and equipment, net Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Schedule of Available-for-Sale Securities Debt Securities, Available-for-Sale [Table Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Axis] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Axis] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Liability acquired from Azstarys Acquisition Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination Entity Address, State or Province Entity Address, State or Province Movement In Contract With Customer Liability [Roll Forward] Movement In Contract With Customer Liability [Roll Forward] Movement In Contract With Customer Liability Stock options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Number of additional cases filed Loss Contingency, Number Of Additional Cases Filed Number of additional cases filed. Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share Repurchase Program [Domain] Share Repurchase Program [Domain] Weighted-average shares - basic (in shares) Weighted-average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Net amortization of premiums and discounts on investments Accretion (Amortization) of Discounts and Premiums, Investments Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Commitments and Contingencies Loss Contingencies [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] One Lincoln Lease One Lincoln Lease [Member] One Lincoln Lease Number of reportable segments Number of Reportable Segments Belbuca Belbuca Belbuca [Member] Represents information pertaining to Belbuca. Total current liabilities Liabilities, Current Lessee, operating lease, number of renewal options Lessee, Operating Lease, Number Of Renewal Options Lessee, Operating Lease, Number Of Renewal Options Schedule of Balance Sheet Classification of Inventory Schedule of Inventory, Balance Sheet Classification [Table Text Block] Tabular disclosure of inventories classified in the balance sheet. 2025 Equity Incentive Plan Equity Incentive Plan 2025 [Member] Equity Incentive Plan 2025 SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Entity Address, City or Town Entity Address, City or Town Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Stock-based compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Carrying Amount Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Returns policy, threshold product return period prior to expiration (in months) Returns Policy, Threshold Product Return Period Prior To Expiration Threshold product return period before expiration with in which the product should be physically returned. Schedule of Consideration Paid for Acquisition Schedule of Consideration Paid [Table Text Block] Tabular disclosure for consideration paid as at the date of acquisition. Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Significant other observable inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Nucynta IR Nucynta IR [Member] Nucynta IR Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Measurement period Debt Instrument, Convertible, Measurement Period Represents the consecutive trading days considered the measurement period under the debt conversion arrangement. Period following termination date vested options are exercisable (in months) Share-based Compensation Arrangement by Share-based Payment Award, Award Exercise Period after Expiration Date Period after the date the vested equity-based award expires during which an employee continues to have the right to exercise an award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Name of Property [Axis] Name of Property [Axis] Provisions threshold amount of payment Debt Instrument Default Provisions Threshold Amount of Payment Threshold amount of payment by the company under debt instrument default provisions. Subsequent Event Type [Axis] Subsequent Event Type [Axis] Deferred Royalty Obligation Deferred Royalty Liability [Line Items] Line items represent information about deferred royalty liability. Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Litigation Case [Axis] Litigation Case [Axis] Acquisition of property and equipment included in accrued liabilities Capital Expenditures Incurred but Not yet Paid Deferred revenue Increase (Decrease) in Contract with Customer, Liability Changes in estimate related to prior period sales Contract with Customer, Liability, Change in Estimate of Prior Period Sales Amount of increase (decrease) in contract liability due to change in estimation of prior period sales. Schedule of Segment Information Segment Reporting [Table Text Block] Amortization of debt issuance costs Amortization of Debt Issuance Costs Term of notice to company Debt Instrument Default Provision, Term of Notice to Company to Sure Default Term of notice to the company to cure default under the debt instrument default provisions. Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Components of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Schedule of Reconciliation of Beginning and Ending Balances Related to the Contingent Consideration Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Term notes carrying value Term notes carrying value Long-Term Debt AZSTARYS Acquisition AZSTARYS Acquisition [Member] AZSTARYS Acquisition Matures after one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Document Period End Date Document Period End Date 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] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Loan Debt Instrument, Face Amount Equity Equity [Text Block] Security Exchange Name Security Exchange Name Debt maturity Debt Instrument, Term Realized loss from sale of marketable securities Debt Securities, Available-for-Sale, Realized Loss Treasury stock, at cost; 9,028,722 shares as of June 30, 2026 and December 31, 2025 Treasury Stock, Common, Value Effective interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Net sales prior to July 1, 2025 Net Sales Prior To July 1, 2025 [Member] Represents information pertaining to net sales prior to July 1, 2025. Net (loss) income - diluted Net Income (Loss) Attributable to Parent, Diluted Fair value of contingent consideration Business Combination, Consideration Transferred, Contingent Consideration Amount of contingent consideration included in consideration for the business combination. Milestone payments Business Combination, Maximum Aggregate Milestone Payments Business Combination, Maximum Aggregate Milestone Payments Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Purchases of marketable securities Payments to Acquire Marketable Securities Total fair value of shares vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Total liabilities measured at fair value Liabilities, Fair Value Disclosure Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Shares of common stock authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Escrow deposit, release period after acquisition date Escrow Deposit, Release Period After Acquisition Date Escrow Deposit, Release Period After Acquisition Date Current portion of operating lease liabilities Operating Lease, Liability, Current Accrued interest Interest Payable, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Marketable Securities [Table] Marketable Securities [Table] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings Per Share [Abstract] Earnings Per Share [Abstract] Cost of product revenues Cost of Product and Service Sold [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Net sales discount rate Measurement Input, Discount Rate [Member] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Intangible asset amortization Amortization And Impairment Of Intangible Assets Amortization And Impairment Of Intangible Assets Unrecognized compensation cost related to outstanding options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Accrued income taxes Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Licenses Agreements [Abstract] License Agreements Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Non-cash interest expense for amortization of debt discount and issuance costs Amortization of debt discounts and debt issuance costs Amortization of Debt Issuance Costs and Discounts Award Date [Axis] Award Date [Axis] Borrowings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Borrowings Amount of borrowings assumed in business combination. Number of demand letters received from purported stockholders Loss Contingency, Number Of Demand Letters Received From Purported Stockholders Number of demand letters received from purported stockholders. Unrealized gains (losses) on marketable securities, net of tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Supplemental disclosure of non-cash activities Noncash Investing and Financing Items [Abstract] Schedule of Product Revenue Provision and Allowance Categories Summary Of Product Revenue Provision And Allowance Categories [Table Text Block] Represents the tabular information relating to product revenue provision and allowance categories. Total before unamortized discount and issuance costs Principal amount Principal Long-Term Debt, Gross Earnings Per Share Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] License Agreements [Table] License Agreements [Table] Disclosure of information about license agreements. Performance adjustment (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Adjustment Number of share representing performance adjustments relating to equity-based payment instruments, excluding stock (or unit) options. Credit Facility [Domain] Credit Facility [Domain] Additional royalty percentage License Agreement, Additional Percentage Of Net Sales On Pass Through Basis Payable To Third Party Licensor Additional percentage of net sales on a pass through basis to a third party licensor payable under the license agreement. Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted-average shares - diluted (in shares) Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Revenue from Contracts with Customers Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Accrued product taxes and fees Accrued Product Taxes And Fees, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for product taxes and fees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Total identifiable net assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Underlying Security Market Price Change Underlying Security Market Price Change, Percent Awards Granted Prior To 2024 Awards Granted Prior To 2024 [Member] Represents information relating to share based awards that are granted in all years prior to 2024. Commercial paper Commercial paper Commercial Paper [Member] U.S. Treasury securities US Treasury Securities [Member] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Award Date [Domain] Award Date [Domain] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Segment Single Reportable Segment [Member] Represents information pertaining to the single report segment. Gross profit Gross Profit Percentage of upfront payment on a price per share Payments for Repurchase of Common Stock, Upfront Payment, Percent The percent of upfront payment for repurchase of shares. Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Award Timing Predetermined Award Timing Predetermined [Flag] Restricted cash Restricted Cash, Current Treasury Stock Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Marketable securities Debt Securities, Available-for-Sale [Line Items] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Quoted Prices in active markets (Level 1) Fair Value, Inputs, Level 1 [Member] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Increase in inventory Business Combination, Increase (Decrease) in Inventory Due to Purchase Accounting Adjustments Amount of increase (decrease) in inventory due to purchase accounting adjustment. Conversion rate Debt Instrument, Convertible, Conversion Ratio Employee stock purchase plan compensation expenses Employee Stock Purchase Plan, Compensation Expense Employee Stock Purchase Plan, Compensation Expense Grunenthal GMBG Litigation Grunenthal GMBG Litigation [Member] Grunenthal GMBG Litigation Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Price per share (in dollars per share) Stock Repurchase, Price Per Share The price per share of stock repurchased. Unrestricted cash and cash equivalents net Debt Instrument, Financial Covenant, Cash Netting Limit Debt Instrument, Financial Covenant, Cash Netting Limit Effect of dilutive securities, Share-based compensation (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Percentage of annual increases in lease Operating Lease, Rent Expense, Base Rent Annual Increase, Percent Operating Lease, Rent Expense, Base Rent Annual Increase, Percent Beginning balance (in dollars per share) 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 Additional shares (in shares) Treasury Stock, Shares, Additional Received Number of additional shares that have been received through settlement during the period and are being held in treasury. Azstarys Azstarys Azstarys [Member] Azstarys License Agreements License Agreements [Text Block] License Agreements [Text Block] All Executive Categories All Executive Categories [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Depreciation expense Depreciation Plan Name [Domain] Plan Name [Domain] Scenario [Domain] Scenario [Domain] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Beginning balance outstanding (in dollars per share) Ending balance outstanding (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Nucynta IR AG Nucynta IR AG [Member] Nucynta IR AG Deferred Royalty Obligation Deferred Royalty Obligation [Text Block] The entire disclosure of deferred royalty obligation. Reconciliation of cash, cash equivalents and restricted cash to the Condensed Consolidated Balance Sheets: Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Operating lease assets Operating Lease, Right-of-Use Asset Weighted-average grant date fair value of shares granted (in dollars per share) Equity Instruments Other than Options, Grants in Period, With Market-based Vesting Conditions, Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested equity-based awards issued with market-based vesting conditions during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Lessee, operating lease, renewal term Lessee, Operating Lease, Renewal Term Schedule of Computations of Basic and Diluted Net (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Total consideration transferred Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Marketable Securities Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Maturities of marketable securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Net (decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation 2030 Long-Term Debt, Maturity, Year Four Statutory period of proceedings Statutory Period of Proceedings Statutory period of proceedings. Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Schedule of Amortization and Impairment Expense Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Proceeds from sale of marketable securities Sale of Marketable Securities The cash inflow associated with the aggregate amount received by the entity through sale of marketable securities (held-to-maturity or available-for-sale) during the period. Walgreen Co. Lawsuit Walgreen Co. Lawsuit [Member] Represents the information pertaining to lawsuit filed by Walgreen Co. Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Outstanding Weighted-Average Remaining Contractual Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term 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] Purchase price percentage Employee Stock Purchase Plan, Purchase Price Percentage Employee Stock Purchase Plan, Purchase Price Percentage Repayment of term notes Repayments of Notes Payable Convertible senior notes, fair value Convertible Debt, Fair Value Disclosures Business Combination [Line Items] Business Combination [Line Items] Business Combination [Line Items] Business combination consideration payable Business Combination, Consideration Transferred, Liabilities Incurred Exercisable at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, authorized (in shares) Common Stock, Shares Authorized Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Accounts receivable Business Combination, Recognized Asset Acquired, Receivable, Current Schedule of Restricted Stock Units Activity Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] RSU granted prior 2024 Awards Granted Prior To 2025 [Member] Awards Granted Prior To 2025 Realized gains from sale of marketable securities Debt Securities, Available-for-Sale, Realized Gain Exercise Price Award Exercise Price Vesting of RSUs and PSUs Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Segment Reporting [Line Items] Segment Reporting [Line Items] Share repurchase program authorized amount Share Repurchase Program, Authorized, Amount Net Loss Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Document Quarterly Report Document Quarterly Report 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] Segments [Domain] Segments [Domain] ArkBio License Agreement ArkBio License Agreement [Member] ArkBio License Agreement Sales of marketable securities Proceeds from Sale of Debt Securities, Available-for-Sale Term Notes Payable Debt Disclosure [Text Block] Less: interest Interest Payable Scenario [Axis] Scenario [Axis] Debt issuance Debt Issuance Costs, Net Debt issuance costs and note discounts Less: unamortized discount and issuance costs Less: unamortized issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Contractual interest expense Contractual interest expense Contractual Interest Expense The amount of contractual interest expense under debt instrument. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Debt discounts and issuance costs Debt Discount And Issuance Costs Incurred And Included In Extinguishment Of Debt Debt Discount And Issuance Costs Incurred And Included In Extinguishment Of Debt Equity Component [Domain] Equity Component [Domain] Business Combination [Table] Business Combination [Table] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Secured Debt Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Deferred royalty obligation Beginning balance Net carrying amount Deferred Royalty Liability, Non-Current Amount of liability recognized arising from deferred royalty, expected to be settled beyond one year or the normal operating cycle, if longer. Adoption Date Trading Arrangement Adoption Date Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Other noncurrent assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Net (amortization) accretion for deferred royalty obligation Net Accretion For Deferred Royalty Obligation Amount of net accretion from deferred royalty obligation. Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Senior secured notes payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Senior Secured Notes Payable Amount of senior secured notes payable assumed in business combination. Commitment and other fees paid Debt Instrument, Fee Amount Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Beginning balance outstanding (in shares) Ending balance outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Awards Granted After 2024 Awards Granted After 2024 [Member] Represents information relating to share based awards that are granted in years beginning from 2024. Goodwill adjustment Goodwill, Measurement Period Adjustment Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance share units Performance Shares [Member] Symproic Symproic Symproic [Member] Represents information pertaining to Symproic. Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Deferred income taxes Deferred Income Tax Expense (Benefit) Selling, general and administrative Selling, General and Administrative Expense Licenses Agreements License Agreements [Line Items] Line items represents license agreements. Business Combination [Domain] Business Combination [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments Dilutive securities excluded from the calculation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Accrued sales and marketing Accrued Marketing Costs, Current Restricted stock units Restricted Stock Units (RSUs) [Member] Schedule of Dilutive Securities Excluded from the Calculation of Diluted Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Name of Property [Domain] Name of Property [Domain] RSU granted after 2024 Awards Granted After 2025 [Member] Awards Granted After 2025 Legal defense expenses for NSP arbitration acquired from Ironshore Business Combination, Legal Defense Expenses Amount of expense for legal defense expenses acquired. Nonrefundable upfront payment Contract With Customer, Upfront Payment Amount of upfront payment received on contract liabilities. Business Acquisition [Axis] Business Combination [Axis] Equity [Abstract] Equity [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] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Jornay PM Jornay PM Jornay PM [Member] Represents information pertaining to Jornay PM. 2026 Long-Term Debt, Maturity, Remainder of Fiscal Year Convertible notes threshold Debt Instrument, Early Maturity Threshold, Convertible Notes, Outstanding Principal Balance Debt Instrument, Early Maturity Threshold, Convertible Notes, Outstanding Principal Balance Income Statement [Abstract] Income Statement [Abstract] Shareholders’ equity: Equity, Attributable to Parent [Abstract] Commercial expenses Commercial Expenses Amount of expense related to commercial expenses during the year. Issuance for employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Operating expenses Operating Expenses [Abstract] Deferred tax assets Deferred Income Tax Assets, Net Schedule of Income Tax Expense Recognized Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Threshold percentage to product of sale price of common stock and conversion rate Debt Instrument, Convertible, Threshold Percentage Of Product Of Sale Price Of Common Stock And Conversion Rate Represents the threshold percentage of "trading price" per $1 principal amount to product of sale price of common stock and conversion rate. Schedule of Cost, Accumulated Amortization and Carrying Amount of Intangible Assets Intangible Asset, Finite-Lived [Table Text Block] Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Variable interest rate margin (as a percent) Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Convertible notes Convertible Debt Securities [Member] Subsequent Events Subsequent Events [Text Block] Net sales volatility Measurement Input, Price Volatility [Member] Name Forgone Recovery, Individual Name Technical operations expenses Technical Operations Expenses Amount of expense related to technical operations expenses during the year. Period over which unrecognized compensation cost is expected to be recognized as expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Contingent consideration, net of current portion Business Combination, Contingent Consideration, Liability, Noncurrent Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Accrued rebates, returns and discounts Accrued Rebates Returns and Discounts Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for rebates, returns and discounts. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Total assets Assets Non-cash lease benefit Operating Lease, Payments, Non-cash The amount of non-cash lease (benefit) expense. Interest income Interest income Investment Income, Net Fees and commissions Treasury Stock Acquired Fees And Commission Incurred The cash outflow for cost incurred directly with the repurchase of an equity security. Transaction costs Business Combination, Transaction Costs Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. Weighted-average grant date fair value per share of grants (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Interest expense Interest expense Interest Expense, Nonoperating Proceeds from issuances of common stock from employee stock purchase plan Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Excluding Option Exercised Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Accrued rebates, returns, and discount adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accruals This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to accrued rebates, returns and discounts assumed in connection with a business combination for which the initial accounting was incomplete. Issuance for employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Total liabilities Business Combination, Recognized Liability Assumed, Liability Stock-based Compensation Share-Based Payment Arrangement [Text Block] Fair Value of Financial Instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Accrued liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses Amount of accrued expenses assumed in business combination. PEO PEO [Member] Royalty rate Royalty Rate, Percent Percentage of royalty amount agreed to be paid upon net sales. 2028 Long-Term Debt, Maturity, Year Two Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Stock-based compensation expense Share-Based Payment Arrangement, Expense Marketable securities Marketable Securities, Current Operating lease, area of leased space Operating Lease, Area of Leased Space Operating Lease, Area of Leased Space Goodwill Goodwill Inventory Business Combination, Recognized Asset Acquired, Inventory, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Exercise of common stock options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period 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 Accounts payable Business Combination, Recognized Liability Assumed, Accounts Payable, Current Matures within one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Nucynta ER AG Nucynta ER AG [Member] Nucynta ER AG Revenue recognized previously included in deferred revenue balance Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Accumulated Deficit Retained Earnings [Member] Operating lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Total operating expenses Operating Expenses Revolving Credit Facility Revolving Credit Facility [Member] Money market funds Money Market Funds [Member] 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 Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Schedule of Significant Unobservable Inputs Used In The Fair Value Measurements Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Corporate debt securities Corporate debt securities Corporate Debt Securities [Member] (Loss) earnings per share — diluted (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Monte Carlo simulation Valuation Technique, Monte Carlo Pricing Model [Member] Total Shareholder Return Amount Total Shareholder Return Amount Shares withheld for employee taxes upon vesting of RSUs and PSUs Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Net sales after July 1, 2025 and up to March, 2032. Net Sales Prior After July 1, 2025 And Up To March 2032 [Member] Represents information pertaining to net sales after July 1, 2025 and up to march, 2032. Litigation Case [Domain] Litigation Case [Domain] Intangible asset amortization Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Adjustment for interest expense on convertible senior notes, net of tax Interest on Convertible Debt, Net of Tax Goodwill and Intangible Assets Intangible Asset, Finite-Lived [Line Items] Schedule of Allocation of Acquisition Purchase Price Business Combination [Table Text Block] Schedule of Unaudited Pro Forma Summary of Operations Business Combination, Pro Forma Information [Table Text Block] Proceeds from 2025 Credit Facility Proceeds from Long-Term Lines of Credit Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2029 Long-Term Debt, Maturity, Year Three Initial base rent Operating Lease, Rent Expense, Base Rent, Annual Operating Lease, Rent Expense, Base Rent, Annual Total assets Business Combination, Recognized Asset Acquired, Asset Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Product revenues, net Total product revenues, net Revenue from Contract with Customer, Excluding Assessed Tax Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Schedule of Changes in Shareholders' Equity Schedule of Stockholders Equity [Table Text Block] Unused capacity commitment percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Financial Instruments [Domain] Financial Instruments [Domain] Inventory Inventory Disclosure [Text Block] Exercise of common stock options Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Goodwill and Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Xtampza ER Litigation, District of Massachusetts PurduePharmaLimitedPartnershipPatentInfringementDistrictOfMassachusetts [Member] Represents the suit filed against the entity by Purdue Pharma, L.P. in the District of Massachusetts asserting patent infringement. Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Other deferred consideration Business Combination, Consideration Transferred, Deferred Consideration Amount of deferred consideration as part of consideration transferred in a business combination. Total royalty payments Payment Of Deferred Royalty Obligation Amount of deferred royalty obligation paid during the period. Interest expense on deferred royalty obligation Interest Expense On Deferred Royalty Liability Amount of interest expense recognized during the period towards deferred royalty liability obligation. Deferred Royalty Acquired [Roll Forward] Deferred Royalty Acquired [Roll Forward] Deferred Royalty Acquired Schedule of Deferred Royalty Obligation Schedule of Deferred Royalty Obligation [Table Text Block] Tabular disclosure of information pertaining to outstanding balance of the deferred royalty obligations. Inventory Increase (Decrease) in Inventories Total amortization expense Cost, Amortization Segment Reporting [Table] Segment Reporting [Table] Shares of common stock remaining available for future grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Schedule of Principal Repayments of Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Deposit Escrow Deposit Investing activities Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Stock option activity, additional information Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Current portion of contingent consideration Business Combination, Contingent Consideration, Liability, Current Operating activities Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Beginning balance Ending Balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Income from operations Operating Income (Loss) Delayed Draw Term Loan (DDTL) Delayed Draw Term Loan (DDTL) [Member] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Acquisition Business Combination [Text Block] Acquisition date fair value of contingent consideration Contingent Consideration, Fair Value Disclosure, Classified As Non Cash Activity Fair value of contingent consideration in a business combination that is classified as a non cash activity. 2029 Convertible Notes Two Point Eight Seven Five Convertible Senior Notes due 2029 [Member] Represents the information pertaining to 2.875% Convertible Senior Notes due 2029. 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] Payment discount rate Measurement Input, Payment Discount Rate [Member] Measurement Input, Payment Discount Rate Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Xtampza ER Litigation PurduePharmaLimitedPartnershipPatentInfringement [Member] Purdue Pharma, L. P. patent infringement suits Cash held in escrow related to indemnification and other settlements Business Combination, Consideration Transferred, Cash Held in Escrow Amount of cash held in escrow for all outstanding shares of acquiree as part of consideration transferred in a business combination. Schedule of Contractual Maturities of Available-for-Sale Securities Other than Investments Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted- Average Exercise Price per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Anti-dilutive securities Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Other purchase consideration payable Business Combination, Other Purchase Consideration Payable Business Combination, Other Purchase Consideration Payable Common stock, issued (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Finished goods Inventory, Finished Goods, Gross Treasury stock, at cost (in shares) Beginning balance (in shares) Ending balance (in shares) Treasury Stock, Common, Shares Accrued royalties Accrued Royalties, Current Ironshore Acquisition Ironshore Acquisition [Member] Represents information relating to Ironshore Acquisition. Marketable securities Total Debt Securities, Available-for-Sale, Current Cost of product revenues (excluding intangible asset amortization) Cost of product revenues (excluding intangible asset amortization) Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Equity Class of Stock [Line Items] Cash paid for income taxes Income Tax Paid, after Refund Received Performance adjustment (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Performance Adjustments Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested equity-based awards pertaining to performance adjustment. Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Deferred tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Shares withheld for employee taxes upon vesting of RSUs and PSUs (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Useful life of intangible asset (in years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Arbitration with North Sound Pharmaceuticals, Inc Arbitration with North Sound Pharmaceuticals, Inc [Member] Represents the information pertaining to the arbitration request by North Sound Pharmaceuticals & Development, Inc . Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Government-sponsored securities Government-sponsored securities US Government-sponsored Enterprises Debt Securities [Member] Contractual life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Other noncurrent assets Other Assets, Noncurrent Financing activities Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Acquisition of Azstarys (net of cash acquired) Payments to Acquire Businesses, Net of Cash Acquired 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] License term License Term License Term Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Accrued liabilities Total accrued liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Stay period before FDA can issue a final approval unless it is terminated Loss Contingency, Stay Period before Final Federal Drug Administration Approval can be Issued if Patent Infringement Litigation Elected Represents the stay period before the Federal Drug Administration (FDA) can issue final approval unless the stay is terminated. Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Number of patents allegedly infringed Loss Contingency, Patents Allegedly Infringed, Number Royalty percentage License Agreement, Royalty Percentage Percentage of royalty payable under the license agreement. Exercisable at end of period, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Amount available for share repurchases under the program Share Repurchase Program, Remaining Authorized, Amount Deferred revenue Business Combination, Recognized Liability Assumed, Deferred Revenue, Current Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Liquidity threshold Debt Instrument, Early Maturity Threshold, Liquidity Debt Instrument, Early Maturity Threshold, Liquidity Local Phone Number Local Phone Number Consecutive business days Debt Instrument, Convertible, Consecutive Business Days Represents the consecutive business days under the debt conversion arrangement. Deferred revenue, net of current portion Contract with Customer, Liability, Noncurrent Work in process Inventory, Work in Process, Gross Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Debt extinguishment costs Payment for Debt Extinguishment or Debt Prepayment Cost Schedule of Performance Share Units Activity Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] (Loss) income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Accrued rebates, returns and discounts Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Rebates, Returns and Discounts Amount of accrued rebates, returns and discounts assumed in business combination. Proceeds from term note modification Proceeds from Term Note Modification The amount of cash inflow from modification of term note. Commitments and contingencies (refer to Note 17) Commitments and Contingencies Cost Intangible Asset, Finite-Lived, before Accumulated Amortization Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Schedule of Total Interest Expense Recognized Schedule of Total Interest Expense Recognized Schedule Of Interest Expense Recognized On Convertible Notes [Table Text Block] Tabular disclosure of total interest expense recognized related to the convertible notes. Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Employee-related expenses Business Combination, Employee-Related Expenses Amount of expense for employee-related cost incurred in connection with business combination. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Medical expenses Medical Expenses Amount of expense related to medical expenses during the year. Accelerated Share Repurchase Program, May 2025 Accelerated Share Repurchase Program, May 2025 [Member] This member stands for accelerated share repurchase ("ASR") program authorized in May 2025. Contingent consideration Contingent Consideration Liability [Member] Contingent Consideration Liability Deferred tax assets Business Combination, Recognized Asset Acquired, Deferred Tax Asset Executive Category: Executive Category [Axis] Total Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Liabilities and shareholders’ equity Liabilities and Equity [Abstract] Exercisable at end of period, Weighted-Average Remaining Contractual Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term 2025 Credit Agreement 2025 Credit Agreement [Member] 2025 Credit Agreement Probability of payment Measurement Input, Probability Of Payment [Member] Measurement Input, Probability Of Payment Returns policy, threshold product return period after expiration (in months) Returns Policy, Threshold Product Return Period After Expiration Threshold product return period after expiration with in which the product should be physically returned. Inventory Inventory Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Significant unobservable inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Total debt issuance cost Debt Issuance Cost, Gross, Noncurrent Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Rebates and Incentives Allowance For Rebates And Incentives [Member] Allowance For Rebates And Incentives Share repurchases from ASR agreement (in shares) Shares repurchased (in shares) Treasury Stock, Shares, Acquired 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Lessee, operating lease, term of contract Lessee, Operating Lease, Term of Contract PEO Name PEO Name Conversion, threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Accrued liabilities Increase (Decrease) in Accrued Liabilities Beginning balance Ending balance Contract with Customer, Liability Accrued incentive compensation Accrued Incentive Compensation, Current Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation. Xtampza ER Xtampza ER [Member] Xtampza ER Other segment items Segment Reporting, Other Segment Item, Amount Payments made for deferred purchase price for acquisition Payment for Contingent Consideration Liability, Financing Activities Liability for cash-settled share-based awards assumed from Ironshore Acquisition Accrued Liability for Cash-Settled Share-based Awards Assumed from Acquiree, Current Carrying value as of the balance sheet date of accrued liabilities for cash-settled share-based awards assumed from acquiree, expected to be settled within one year or normal operating cycle, if longer. Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Range Business Combination, Contingent Consideration, Liability, Measurement Input Total interest expense Interest Expense, Debt Term of payment received (in days) Payment Received, Term Term within which payment is received, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Convertible senior notes Convertible Notes Payable, Noncurrent Assets Acquired Business Combination, Recognized Asset Acquired, Asset [Abstract] Liability Class [Axis] Liability Class [Axis] Other acquisition expenses Business Combination, Other Acquisition Expenses The amount of other acquisition related expense in a business combination. Returns policy, threshold product return period (in months) Returns Policy, Threshold Product Return Period Threshold product return period with in which the product should be physically returned. Share repurchases from ASR agreement Share repurchases Treasury Stock, Value, Acquired, Cost Method Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Accrued audit and legal Accrued Professional Fees, Current Accounts payable Increase (Decrease) in Accounts Payable Accrued other operating costs Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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] Nature of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Accrued inventory Accrued Payables For Inventory, Current Carrying value as of the balance sheet date of accrued payables for inventories, classified as current. Initial cash consideration Payments to Acquire Businesses, Gross Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Shionogi License and Supply Agreement Shionogi License and Supply Agreement [Member] Represents the information pertaining to Shionogi License and Supply Agreement. Convertible Senior Notes Convertible Senior Notes Disclosure [Text Block] The entire disclosure of information pertaining to convertible senior notes. Nucynta Products Nucynta [Member] Represents the information pertaining to Nucynta. Schedule of Inventory Schedule of Inventory, Current [Table Text Block] 2027 Long-Term Debt, Maturity, Year One Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] (Loss) earnings per share — basic (in dollars per share) Earnings Per Share, Basic Raw materials Inventory, Raw Materials, Gross Measurement Input Type [Axis] Measurement Input Type [Axis] Repurchases of common stock, including the ASR agreement Payments for Repurchase of Common Stock Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Practical expedient incremental cost Revenue, Practical Expedient, Incremental Cost of Obtaining Contract [true false] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Credits/payments made Contract with Customer, Liability, Decrease Due to Credits and Payments Amount of decrease in contract liability due to payments made. 2014 Stock Incentive Plan Stock Incentive Plan 2014 [Member] Stock Incentive Plan 2014 Product and Service [Axis] Product and Service [Axis] Conversion, threshold trading days Debt Instrument, Convertible, Threshold Trading Days Restricted cash Restricted Cash, Noncurrent Deferred Royalty Liability [Table] Deferred Royalty Liability [Table] Disclosure of information about deferred royalty liability. Gain on fair value remeasurement of contingent consideration Change in fair value of contingent consideration Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Term notes payable, net of current portion Loans Payable, Noncurrent Fair Value Debt Securities, Available-for-Sale Contingent consideration Business Combination, Contingent Consideration, Liability Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Deferred tax assets adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Assets This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to deferred tax assets assumed in connection with a business combination for which the initial accounting was incomplete. Cover [Abstract] Cover [Abstract] 2024 Term Loan Term Loan 2024 [Member] Represents the information pertaining to 2024 Term Loan. Deferred royalty obligation Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Royalty Liability The amount of deferred royalty liability assumed which have been recognized as of the acquisition date. Term Loan Loans Payable [Member] Equity Awards Adjustments Equity Awards Adjustments [Member] Schedule of Convertible Notes Outstanding Convertible Debt [Table Text Block] Total liabilities and shareholders’ equity Liabilities and Equity Business Combination, Pro Forma Information, Nonrecurring Adjustment, Acquisition-Related Cost Business Combination, Pro Forma Information, Nonrecurring Adjustment, Acquisition-Related Cost [Member] Business combination consideration payable Business Combination, Consideration, Liability, Current Business Combination, Consideration, Liability, Current Stock options Share-Based Payment Arrangement, Option [Member] 2024-2025 Repurchase Program Share Repurchase Program 2024-25 [Member] Represents the information pertaining to 2024-25 Share Repurchase Program. Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Lease liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities Amount of operating lease liabilities assumed in business combination. Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Reduction Business Combination, Reduction In Consideration Payable Amount of reduction in consideration payable in a business combination transaction. Tabular List, Table Tabular List [Table Text Block] Corporate expenses Corporate Expenses Amount of expense related to corporate expenses during the year. Restricted cash Restricted Cash and Cash Equivalent, Noncurrent Additional paid-in capital Additional Paid in Capital 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Debt modification and transaction fee Debt Modification And Transaction Fee The amount of debt modification and transaction fee incurred under debt instrument arrangement. 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Effect of dilutive securities, Convertible senior notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Current portion of term notes payable Loans Payable, Current Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Outstanding Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Accrued Liabilities and Other Liabilities [Abstract] Accrued Liabilities and Other Liabilities [Abstract] Number of calendar days Debt Instrument, Number of Calendar Days to Cure Default after Occurrence Number of calendar days to cure default after occurrence under the customary default provisions under the debt instrument. Preferred stock, $0.001 par value; authorized shares - 5,000,000 Preferred Stock, Value, Issued Accrued bonuses Accrued Bonuses, Current Location, Statement of Financial Position, Activity, Accrual [Axis] Location, Statement of Financial Position, Activity, Accrual [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Nucynta ER Nucynta ER [Member] Nucynta ER Share Repurchase Program [Axis] Share Repurchase Program [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Commitment and other fees Debt Instrument, Commitment And Other Fees The amount of loan commitment and other fees associated with debt instrument arrangement. Total minimum payments Debt Instrument, Total Minimum Payments Total minimum payments of debt instrument. Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets measured at fair value Assets, Fair Value Disclosure Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Term Notes Payable Convertible Senior Notes Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration Total purchase consideration Business Combination, Consideration Transferred Additional Paid- In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Principal repayments Long-Term Debt, Fiscal Year Maturity [Abstract] Employee stock purchase plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Note issuance costs in accounts payable and accrued liabilities Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction Revenue from Contracts with Customers SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Schedule of Acquisition Related Expenses Business Combination Acquisition Related Expenses [Table Text Block] Tabular disclosure for acquisition related expenses in a business combination. Total inventory Inventory, Gross Total inventory Inventory, Current and Noncurrent Amount of inventory expected to be sold, or consumed within one year or operating cycle, if longer and more than one year i.e., current and non current. Stock, Class of Stock [Table] Stock, Class of Stock [Table] Product Returns Contract With Customer Refund Liability [Member] Contract With Customer Refund Liability Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets Assets, Current [Abstract] Total Revenues Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Effective interest rate Deferred Royalty Obligation Interest Rate Effective Percentage Effective interest rate for the deferred royalty obligations. 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 Escrow deposit, release period after closing date Escrow Deposit, Release Period After Closing Date Escrow Deposit, Release Period After Closing Date Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Convertible Notes Convertible Notes Payable [Member] Total cost of product revenues Cost of product revenues Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Provision related to current period sales Contract with Customer, Liability, Provision for Current Period Sales Amount of increase (decrease) in contract liability due to change in provision for current period sales. Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Existing cash on hand Payments to Acquire Businesses, Gross, Existing Payments to Acquire Businesses, Gross, Existing Deferred tax liabilities Business Combination, Recognized Liability Assumed, Deferred Tax Liability Right-of-use assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Assets Amount of operating lease assets acquired, at the acquisition date. Net (loss) income Net (loss) income Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Default period Debt Instrument, Default Period On Payment Of Interest Represents the default period in the payment when due of interest on any note to invoke customary default provisions under the convertible notes. Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Discounted cash flow Valuation Technique, Discounted Cash Flow [Member] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from the exercise of stock options Proceeds from Stock Options Exercised Exercisable at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Liabilities Assumed Business Combination, Recognized Liability Assumed, Liability [Abstract] Fair value of deferred royalty obligation Deferred Royalty Obligation, Fair Value Fair value of deferred royalty obligation at the end of the reporting period. Grunenthal License Grunenthal License [Member] Represents the information pertaining to Grunenthal License. Conversion, threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Number of lawsuits filed Loss Contingency, New Claims Filed, Number Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Four Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Accrued rebates, returns and discounts Increase Decrease in Accrued Rebates Returns and Discounts The increase (decrease) during the reporting period in the aggregate amount of rebates, returns and discounts incurred but not yet paid. Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Share Repurchase Program 2025-26 Share Repurchase Program 2025-26 [Member] Represents the information pertaining to the 2025-26 Share Repurchase Program. Damages sought Loss Contingency, Damages Sought, Value Deferred Royalty Obligation Deferred Royalty Obligation [Abstract] No definition available. Accretion (amortization), net Deferred Royalty Liability, Accretion (Amortization), Net Deferred Royalty Liability, Accretion (Amortization), Net Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Prepaid expenses and other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current