Cover [Abstract] Document Type Document Type Document Annual Report Document Annual Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Securities Act File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Entity Shell Company Entity Shell Company Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Documents Incorporated by Reference Auditor Name Auditor Firm ID Auditor Location Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Consolidated Balance Sheets Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Organization and Significant Accounting Policies Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Marketable Securities, Current Investments in marketable securities Receivables, Net, Current Trade receivables, net Amount of transition services agreement receivable current. Transition Services Agreement Receivable Current TSA receivables, net (Note 6) TSA receivables, net Inventory, Net Inventory Prepaid Manufacturing current. Prepaid Manufacturing Expense Current Prepaid manufacturing Prepayment made for manufacturing services Prepaid Expense and Other Assets, Current Other prepaids and current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Inventory, Noncurrent Inventory, non-current Intangible Assets, Net (Including Goodwill) Intangible assets, net Total Intangible assets, net Other Assets, Noncurrent Other assets, non-current Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Deficit Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued rebates, fees and reserve. Accrued Rebates Fees And Reserve Current Accrued rebates, fees and reserves Amount of transition services agreement payables classified as current. Transition Services Agreement Payables and Other Accrued Liabilities Current TSA payables and other accrued liabilities (Note 6) TSA payables and other accrued liabilities Employee-related Liabilities, Current Accrued compensation Accrued Liabilities, Current Accrued and other current liabilities Total Accrued and other current liabilities Liabilities, Current Total current liabilities Carrying value as of the balance sheet date of term loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Term Loans Payable, Noncurrent Term loans, non-current Convertible Subordinated Debt, Noncurrent Convertible notes Present value of lessee's discounted obligation for lease payments from operating and finance lease, classified as noncurrent. Operating and Finance Lease, Liability, Noncurrent Lease liabilities, non-current Other Liabilities, Noncurrent Other liabilities, non-current Total Other liabilities, non-current Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 9) Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' deficit: Preferred Stock, Value, Issued Preferred stock ($0.0001 par value; shares authorized: 5,000,000; shares issued and outstanding: 0 at December 31, 2024 and 2023) Common Stock, Value, Issued Common stock ($0.0001 par value; shares authorized: 300,000,000; shares issued and outstanding: 115,614,548 and 112,215,260 at December 31, 2024 and 2023, respectively) Additional Paid in Capital Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Retained Earnings (Accumulated Deficit) Accumulated deficit Equity, Attributable to Parent Ending Balances Beginning Balances Total stockholders' deficit Liabilities and Equity Total liabilities and stockholders' deficit Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Ending Balances (in shares) Beginning Balances (in shares) Common stock, shares outstanding Consolidated Statements of Operations Revenues [Abstract] Revenue: Revenue from Contract with Customer, Including Assessed Tax Net revenue Operating Expenses [Abstract] Costs and expenses: Cost of Goods and Services Sold Cost of goods sold Research and Development Expense Research and development Research and development Selling, General and Administrative Expense Selling, general and administrative Costs and Expenses Total costs and expenses Operating Income (Loss) Loss from operations Interest Expense, Operating and Nonoperating Interest expense Gain (Loss) on Sale of Interest in Projects Gain on Sale Transactions, net (Note 6) Gain on Sale Transactions, net (Note 6) Gain (Loss) on Extinguishment of Debt Loss on debt extinguishment Loss on debt extinguishment Other Nonoperating Income (Expense) Other income (expense), net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Pretax profit (loss) Income (loss) before income taxes Income Tax Expense (Benefit) Income tax provision (benefit) Income tax provision (benefit) Net income (loss) Net income (loss) Net Income (Loss) Per Share Net income (loss) per share: Earnings Per Share, Basic Basic net income (loss) per share Basic (In dollar per share) Earnings Per Share, Diluted Diluted (In dollar per share) Diluted net income (loss) per share Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted-average number of shares used in computing net income (loss) per share: Denominator: Weighted Average Number of Shares Outstanding, Basic Basic (In shares) Weighted-average common shares outstanding - Basic Weighted Average Number of Shares Outstanding, Diluted Diluted (In shares) Consolidated Statements of Comprehensive Income (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss): OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Unrealized gain (loss) on available-for-sale securities, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) Consolidated Statements of Stockholders' Deficit Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-In Capital AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss Retained Earnings [Member] Accumulated Deficit Sale of Stock [Axis] Sale of Stock [Domain] Represents information relating to at the market offering issuance. At Market Offering [Member] ATM Offering Represents information pertaining to public offering. Public Offering Represents the information pertaining to Optional Stock Purchase Agreement. Optional Stock Purchase Agreement [Member] Optional Stock Purchase Agreement Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock upon exercise of stock options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Number of Options, Exercised Issuance of common stock upon exercise of stock options (in shares) Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of common stock upon vesting of RSUs Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance of common stock upon vesting of RSUs (in shares) Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock under the ESPP Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of common stock under the ESPP (in shares) Value of stock issued during period in lieu of bonus. Stock Issued During Period, Partial Payout, Bonus Issuance of common stock - partial payout of 2023 bonus in RSUs Number of shares issued in lieu of bonus. Stock Issued During Period, Partial Payout, Bonus, Shares Issuance of common stock - partial payout of 2023 bonus in RSUs (in shares) Stock Issued During Period on acquisitions Stock Issued During Period, Acquisitions Issuance of common stock in connection with Surface Acquisition: Stock Issued During Period, Value, Acquisitions Issuance to Surface shareholders for acquisition Stock Issued During Period, Shares, Acquisitions Issuance to Surface shareholders for acquisition (in shares) Value of stock related to accelerated vesting of equity awards issued during the period. Stock Issued During Period, Value, Accelerated Vesting of Equity Awards Accelerated vesting of equity awards Number of shares issued during the period as a result of accelerated vesting of equity awards. Stock Issued During Period, Shares, Accelerated Vesting of Equity Awards Accelerated vesting of equity awards (in shares) Value of stock settled related to taxes paid related to net share settlement of equity awards during the period. Stock Issued During Period, Value, Taxes Paid Related to Net Share Settlement of Equity Awards Taxes paid related to net share settlement of equity awards Number of shares settled related to taxes paid related to net share settlement of equity awards during the period. Stock Issued During Period, Shares, Taxes Paid Related to Net Share Settlement of Equity Awards Taxes paid related to net share settlement of equity awards (in shares) Stock Issued During Period, Value, New Issues Issuance of common stock under Offering, net of issuance costs Common stock Stock Issued During Period, Shares, New Issues Issuance of common stock under Offering, net of issuance costs (in shares) Common stock, shares issued and sold Stock Issued During Period, Value, Purchase of Assets Issuance of common stock under ATM Offering, net of issuance costs Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Taxes paid related to net share settlement of RSUs Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Taxes paid related to net share settlement of RSUs (in shares) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation expense Other Comprehensive Income (Loss), Net of Tax Other comprehensive (loss) gain, net of tax Consolidated Statements of Cash Flows Debt Instrument [Axis] Debt Instrument, Name [Domain] Loans Payable [Member] 2025 Term Loan Represents term loans. 2027 Term Loans Represents 2029 term loans. Two Thousand Twenty Nine Term Loans [Member] 2029 Term Loans Disposal Group Name [Axis] Disposal Group Name [Domain] Represents the information pertaining to CIMERLI ophthalmology franchise. CIMERLI Ophthalmology Franchise [Member] CIMERLI ophthalmology franchise Represents the information pertaining to YUSIMRY immunology franchise. YUSIMRY Immunology Franchise [Member] YUSIMRY Sale Net Cash Provided by (Used in) Operating Activities [Abstract] Operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash used in operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense The amount of Impairment of out-license asset and remeasurement of CVR liability, net. Impairment of Intangible Assets And Contingent Value Rights Liability Impairment of out-license asset and remeasurement of CVR liability, net Net impairment charge Inventory Write-down Inventory write-downs, net Inventory write-downs Amortization of Debt Discount (Premium) Non-cash interest expense from amortization of debt and other financial liabilities discount and issuance costs Amortization of debt discount and debt issuance costs Amount of non-cash operating lease expense. Noncash Operating Lease, Expense Non-cash operating lease expense The amount of upfront license fee payment related to license and collaboration agreement. Upfront License Fee Payments Related To License And Collaboration Arrangements Option payment to Junshi Biosciences The change in fair value of derivatives. Change In Fair Value Of Derivatives Change in fair value of derivatives Other Operating Activities, Cash Flow Statement Other non-cash adjustments, net Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Receivables Trade receivables, net Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense Prepaid manufacturing Increase (Decrease) in Prepaid Expense and Other Assets Other prepaid, current and non-current assets Increase (Decrease) in Accounts Payable, Trade Accounts payable Increase decrease in accrued rebates, fees and reserve. Increase Decrease In Accrued Rebates Fees And Reserve Accrued rebates, fees and reserves Increase decrease in accrued compensation. Increase Decrease In Accrued Compensation Accrued compensation Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued and other current and non-current liabilities Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Investing activities Proceeds from Sale and Maturity of Marketable Securities Proceeds from maturities of investments in marketable securities Proceeds from Sale of Debt Securities, Available-for-Sale Proceeds from sale of investments in marketable securities Proceeds from Divestiture of Businesses Cash received from Sale (Note 6) Cash Acquired from Acquisition Cash and cash equivalents acquired as part of the Surface Acquisition The cash outflow associated with milestone based license fee payment. Payments For Milestone Based License Fee Milestone and option payments to Junshi Biosciences Payments to Acquire Marketable Securities Purchases of investments in marketable securities Payments for (Proceeds from) Other Investing Activities Other investing activities, net Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Financing activities Proceeds from Issuance of Debt Proceeds from Term Loan, net of debt discount and issuance costs The cash inflow during the period from revenue purchase and sale agreement. Proceeds From Revenue Purchase And Sale Agreement Net Proceeds from Revenue Purchase and Sale Agreement, net of issuance costs Proceeds from Issuance of Common Stock Proceeds from issuance of common stock, net of issuance costs Proceeds from Stock Options Exercised Proceeds from issuance of common stock upon exercise of stock options Proceeds from Stock Plans Proceeds from purchase under the employee stock purchase plan