Entity Address, City or Town Entity Address, City or Town Fair Value Disclosures [Abstract] FAIR VALUE MEASUREMENTS Fair Value, Inputs, Level 1 [Member] Level 1 Schedule of Accrued Liabilities [Table Text Block] Schedule of accrued liabilities Research and Development Expense, Policy [Policy Text Block] Research and Development Expenses Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend yield (as a percent) Minimum percentage of six-month product revenue forecast to satisfy minimum cash balance debt covenant. Minimum cash balance requirement to be met as a percentage of six-month product revenue against forecast Debt covenant percentage of product revenue against forecast Amendment Flag Amendment Flag Public offering. Public Offering [Table] Public Offering [Table] Subsequent Event Type [Domain] Government sponsored enterprise securities due in less than one year. Government Sponsored Enterprise Securities Due In Less Than One Year [Member] Government-sponsored enterprise securities (due in less than one year) Litigation Case [Domain] Operating Lease, Right-of-Use Asset Operating leases, right-of-use assets Document Quarterly Report Document Quarterly Report Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Table] Litigation Settlement, Amount Awarded to Other Party Litigation settlement, amount Earnings Per Share, Policy [Policy Text Block] Net Loss Per Share Depreciation [Abstract] Depreciation [Abstract] Minimum cash balance as a percentage of loan amount outstanding Debt covenant minimum cash balance percentage of loan amount Percentage of loan amount outstanding to be held as minimum cash balance under debt covenant. Represents information pertaining to unsecured promissory note (generally negotiable) that provides institutions with short-term funds ), due in less than one year. Commercial Paper Due In Less Than One Year [Member] Commercial paper (due in less than one year) Statement [Table] Statement [Table] Operating Lease, Liability, Noncurrent Noncurrent operating lease liabilities Municipal securities due in one to two years member. Municipal Securities Due In One To Two Years [Member] Municipal securities (due in one to two years) Common stock, shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance US Treasury Notes Securities [Member] U.S. Treasury securities Two Thousand Twenty Public Offering Of Common Stock And Warrants [Member] 2020 Public Offering of Common Stock and Warrants 2020 Public Offering of Common Stock and Warrants. Option Two Min Cash Debt Covenant [Member] Option Two Min Cash Debt Covenant [Member] Option two min cash debt covenant. Minimum cash covenant required upon certain licensing transactions being executed. Debt Covenant Min Cash Upon Licensing Transaction Debt covenant minimum cash balance upon licensing transaction US Treasury securities due in one to two years member. U S Treasury Securities Due In One To Two Years [Member] U.S. Treasury securities (due in one to two years) Debt, Policy [Policy Text Block] Debt Issuance Costs and Debt Discounts Employee-related Liabilities, Current Accrued compensation and benefits Employee-related Liabilities, Current, Total Share-Based Payment Arrangement, Option [Member] Stock Options Issuance of common stock under equity plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total Tranche B [Member] Tranche B [Member] Tranche B [Member] Liabilities and Equity Total liabilities and stockholders' equity Plan Name [Domain] Reclassification, Comparability Adjustment [Policy Text Block] Prior Period Reclassification At The Market Offering Member. At The Market Offering [Member] At The Market Offering Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Income Statement [Abstract] Municipal securities due in less than one year. Municipal Securities Due In Less Than One Year [Member] Municipal securities (due in less than one year) Public offering. Public Offering [Line Items] Public Offering [Line Items] Debt Securities, Available-for-Sale [Abstract] Marketable securities: Sale of Stock [Domain] Sale of Stock Number of new shares issued during the period in connection with exercise of warrants. Issuance Of Common Stock In Connection With Warrant Exercise Shares Issuance of common stock in connection exercise of warrants (in shares) Liabilities, Current Total current liabilities Loss Contingency Nature [Axis] Cost method investment ownership percentage. Cost Method Investment Ownership Percentage Cost method investments ownership percentage Fair Value, Recurring [Member] Recurring basis Interest Expense Interest expense Interest Expense, Total Accounts Payable and Accrued Liabilities Disclosure [Text Block] ACCRUED LIABILITIES Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Increase (Decrease) in Operating Assets Current and noncurrent assets Increase (Decrease) in Operating Assets, Total Net product revenue period Net Product Revenue Period Net product revenue period. Carrying value as of the balance sheet date of obligations incurred through that date and payable for clinical related costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Clinical Research Organizations And Clinical Trial Costs Current CRO and clinical trial costs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Net cash proceeds from public offering after deducting underwriting discount and other offering expenses Proceeds from Issuance or Sale of Equity, Total Proceeds from Issuance or Sale of Equity Entity Small Business Entity Small Business Increase (Decrease) in Equity Securities, FV-NI Increase (decrease) in fair value of equity investment Investments [Domain] Investments Tranche One [Member] Tranche one. Assets, Current Total current assets Number of new shares of common stock issued during the period in connection with public offering. Share Of Common Stock Issued During Period Shares New Issues Public Offering Issuance of common stock in connection with public offering (in shares) Shares used in computing basic net loss per share Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic, Total City Area Code City Area Code Tranche A [Member] Tranche A [Member] Tranche A [Member] Document Period End Date Document Period End Date Debt Securities, Available-for-Sale, Amortized Cost Amortized Cost Statistical Measurement [Axis] Statistical Measurement Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Less Than 12 Months - Estimated Fair Value Assets Total assets Prepayment charge assessed upon debt prepayment occurring 36 months after June 30, 2022 under second amendment. Charge for prepayment occurring 36 months after effective date Dollar prepayment charge 36 months after effective date Represents information pertaining to debentures, bonds and other debt securities issued by US government sponsored entities (GSEs), for example, but not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB). Excludes debt issued by the Government National Mortgage Association (GNMA or Ginnie Mae, due in less than one year. U S Government Sponsored Enterprises Debt Securities Due In Less Than One Year [Member] Government-sponsored enterprise securities (due in less than one year) Long-Term Debt, Excluding Current Maturities Noncurrent debt Noncurrent portion of debt Diluted net loss per share Earnings Per Share, Diluted Earnings Per Share, Diluted, Total Cash and Cash Equivalents [Abstract] Included in cash and cash equivalents: Entity Address, Postal Zip Code Entity Address, Postal Zip Code 2018 Inducement Award Plan Two Thousand And Eighteen Inducement Award Plan [Member] Two thousand and eighteen inducement award plan. Document Fiscal Period Focus Document Fiscal Period Focus 2022 pre-funded warrant. Two Thousand Twenty Two Pre Funded Warrant [Member] 2022 Pre-Funded Warrant Class of Warrant or Right [Table] Certificates of Deposit [Member] Certificate of deposit APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation for equity-based awards to employees and directors APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Investment Income, Interest Interest income Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Hercules and Silicon Valley Bank. member. Hercules And Silicon Valley Bank [Member] Hercules and Silicon Valley Bank [Member] First date to available to drawdown any amount under a tranche. Borrowing Available Start Date Start date to borrow under a tranche for a debt instrument Common stock, increase in option reserves (in shares) Common stock, increase in shares reserved for future issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Other Increases (Decreases) in Period Investment Owned, at Fair Value, Ending Balance Investment Owned, at Fair Value, Beginning Balance Investment Owned, at Fair Value Fair value of equity investment Statement of Financial Position [Abstract] Entity File Number Entity File Number Scenario [Domain] Statement of Cash Flows [Abstract] Class of Warrant or Right, Number of Securities Called by Warrants or Rights Warrant to purchase common stock, shares Class of Warrant or Right [Line Items] Insurance Claims [Member] Insurance Claims Statistical Measurement [Domain] Statistical Measurement Statement of Stockholders' Equity [Abstract] Sale of Stock [Axis] Sale of Stock Debt instrument unaccrued end of term charge. Debt Instrument Unaccrued End Of Term Charge Less: unaccrued end of term charge Class of Stock [Domain] Revenue from Contract with Customer [Policy Text Block] Revenue Recognition Represents the gross unrealized losses for cash and cash equivalents. Cash And Cash Equivalents Unrealized Losses Gross Unrealized Losses Stockholders' Equity Note [Abstract] Debt instrument minimum cash balance percentage. Debt Instrument Cash Balance Percentage Debt instrument cash balance percentage. Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of cash equivalents, restricted cash and marketable securities by security type Subsequent Events [Abstract] Fair Value Disclosures [Text Block] FAIR VALUE MEASUREMENTS Aggregate value of term loan, including accrued interest payable and end of term charge. 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Loss Contingency, Settlement Agreement, Date Settlement agreement date Credit Facility [Domain] Credit Facility Subsequent Events [Text Block] SUBSEQUENT EVENT Shares used in computing diluted net loss per share Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Credit Facility [Axis] Credit Facility General and Administrative Expense [Member] General and Administrative Expense General and administrative Commercial Paper [Member] Commercial paper Current Fiscal Year End Date Current Fiscal Year End Date Investment Type [Axis] Investment Type Interest Payable Less: amount representing interest Financial Instruments [Domain] Financial Instruments Minimum market capitalization requirement for option Market cap minimum to use option two Minimum market capitalization required for this option to be available to meet the minimum cash balance debt covenant. Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash, cash equivalents and restricted cash at the end of the period Cash, cash equivalents and restricted cash at the beginning of the period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Entity Address, Address Line One Entity Address, Address Line One Stock Purchase Warrants Stock Purchase Warrants [Member] Stock purchase warrants. Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of assumptions used to estimate the fair value of employee stock purchases under the purchase plan Equity impact of the value of stock issued in connection with exercise of warrants during the period. Issuance Of Common Stock In Connection With Warrant Exercise Value Issuance of common stock in connection with exercise of warrants Minimum amount allowed to be prepaid under debt instrument. Debt Instrument Minimum Prepayment Amount Minimum amount of prepayment allowed under debt instrument Vesting [Axis] Balance Sheet Location [Domain] Other Accrued Liabilities, Current Other Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment, Total Last date to drawdown any amounts under a tranche. Expiry Date Of Tranche Expiration date to borrow under a tranche for a debt instrument Represents the number of months following a change in control when an employee is terminated without cause to be classified as a triggering event for severance payments. 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Operating Expenses Total operating expenses Entity Current Reporting Status Entity Current Reporting Status Asset Class [Domain] Asset Class Debt Securities, Available-for-Sale, Current Marketable securities Debt Securities, Available-for-sale, Current, Total 2020 Pre-funded warrants. Two Thousand Twenty Pre Funded Warrants [Member] 2020 Pre-Funded Warrant Stockholders' Equity Attributable to Parent Balances Balances Total stockholders' equity Percentage of prepayment amount to be paid upon prepayment under debt instrument. Percentage Of Prepayment Charge Prepayment charge (as a percentage) Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Total - Gross Unrealized Losses Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Gain (Loss) Underwritten Public Offering [Member] Underwritten Public Offering [Member] Underwritten Public Offering Asset Class [Axis] Asset Class 2025 Long-Term Debt, Maturity, Year Two Entity Tax Identification Number Entity Tax Identification Number Income Statement Location [Axis] Income Statement Location Common Stock, Value, Issued Common stock Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Retained Earnings (Accumulated Deficit) Accumulated deficit Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Equity Components [Axis] Equity Components 2022 Public Offering of Common Stock and Warrants Two thousand twenty two public offering of common stock and warrants [Member] Two thousand twenty two public offering of common stock and warrants. Less: unamortized debt discounts and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Total Cost method investments cost basis. Cost Method Investments Cost Basis Cost method investments cost basis Proceeds from Warrant Exercises Proceeds from exercise of warrants Geron [Member] Geron Corporation [Member] Geron corporation. Debt issuance costs Debt Issuance Costs, Gross Debentures, bonds and other debt securities issued by US government sponsored entities (GSEs), for example, but not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB). Excludes debt issued by the Government National Mortgage Association (GNMA or Ginnie Mae) due in 1 to 2 years. Government Sponsored Enterprise Securities Due In One To Two Years [Member] Government-sponsored enterprise securities (due in one to two years) Entity Emerging Growth Company Entity Emerging Growth Company Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 12 Months or Longer - Gross Unrealized Losses Operating Expenses [Abstract] Operating expenses: Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Proceeds from maturities of marketable securities Legal settlements Settlement Liabilities, Current Warrants to purchase common stock exercised, shares Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Exercised Number of warrants exercised during the period Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected term Debt Securities, Available-for-Sale [Table] Debt Securities Available For Sale [Table] Public Offering of Common Stock and Warrants Public Offering of Common Stock and Warrants Public Offering of Common Stock and Warrants [Member] Public Offering Of Common Stock And Warrants [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Expected volatility range, maximum (as a percent) Loss Contingency [Abstract] Depreciation, Depletion, and Amortization [Policy Text Block] Depreciation and Amortization Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction, Total Document Transition Report Document Transition Report Assets, Fair Value Disclosure, Total Assets, Fair Value Disclosure Total Long-Term Debt, Maturity, Year Three 2025 Tranche Four [Member] Tranche four. Interest and other receivables. Interest and other receivables member Interest and Other Receivables Public offering price per share Sale of Stock, Price Per Share Combined public offering price per share of pre-funded warrant and accompanying stock purchase warrant Commitments and Contingencies Disclosure [Text Block] CONTINGENCIES AND UNCERTAINTIES Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive loss 2018 Equity Incentive Plan 2018 equity incentive plan. Two Thousand And Eighteen Equity Incentive Plan [Member] 2018 Plan Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Nontrade Receivables, Current Interest and other receivables Nontrade Receivables, Current, Total Litigation Settlement Amount Paid in Cash or Kind The amount of the settlement to be paid by the company in either cash or shares, at the company's election. Settlement to be paid in cash or shares as elected by company Net Income (Loss) Attributable to Parent Net loss Net loss Corporate Note Securities [Member] Corporate notes Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer; and amount of noncurrent assets classified as other. Deposits And Other Assets Noncurrent Deposits and other assets Operating Lease, Liability, Current Operating lease liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of financial instruments measured at fair value on recurring basis Additional Paid-in Capital [Member] Additional Paid-In Capital Future Minimum Payments Under Loan Agreement Schedule of Maturities of Long-Term Debt [Table Text Block] Entity Registrant Name Entity Registrant Name Foreign currency translation adjustment Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Ending Balance Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of assumptions used to estimate the fair value of service-based stock options granted Class of Stock [Axis] Purchase warrants. Purchase Warrants [Member] Share-Based Payment Arrangement, Noncash Expense Stock-based compensation for employees and directors Share-based Payment Arrangement, Noncash Expense, Total Statement of Comprehensive Income [Abstract] Issuance of common stock and pre-funded warrant to purchase common stock in public offering, net of issuance costs of $14,507 Public Offering Stock Issued During Period Value New Issue Public offering stock issued during period value new issues. Property, Plant and Equipment, Net Property and equipment, net Property, Plant and Equipment, Net, Total Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Less: unamortized debt discounts and issuance costs Debt discount under second amendment Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount, Total Award Type [Domain] Award Type Statement [Line Items] Statement [Line Items] Issuance of common stock under equity plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total Title of 12(b) Security Title of 12(b) Security Common Stock [Member] Common Stock Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Equity Component [Domain] Equity Component Debt Covenant Minimum Cash Balance Debt Covenant Minimum Cash Balance Debt covenant minimum cash balance Payments for Legal Settlements Settlement to be paid by insurers Royalties Revenue from Contract with Customer, Excluding Assessed Tax Revenue from Contract with Customer, Excluding Assessed Tax, Total Entity Address, State or Province Entity Address, State or Province Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Document Type Document Type Accrued end of term charge Accrued End Of Term Charges Accrued end of term charges. Entity Shell Company Entity Shell Company Class of Warrant or Right, Outstanding Common stock outstanding warrants to purchase Share-Based Payment Arrangement, Expense Stock-based compensation expense included in operating expenses Investment Holdings [Line Items] Investment Holdings [Line Items] Equity Investments [Line Item] Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value on a Recurring Basis Fair Value, Recurring and Nonrecurring [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Severance plan. Severance Plan [Table] Severance Plan [Table] This category includes information about short-term debt securities that are issued by either a domestic or foreign corporate business entity with a date certain promise of repayment and a return to the holder for the time value of money (for example, variable or fixed interest), due in less than one year. Corporate Note Securities Due In Less Than One Year [Member] Corporate notes (due in less than one year) Loss Contingencies [Line Items] Security Exchange Name Security Exchange Name Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Cash flows from operations Commitments and Contingencies Disclosure [Abstract] Interest Payable, Current Interest payable Consolidation, Policy [Policy Text Block] Principles of Consolidation New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Common Stock, Shares, Outstanding Balances (in shares) Balances (in shares) Accretion (Amortization) of Discounts and Premiums, Investments Accretion and amortization on investments, net Debt Disclosure [Text Block] DEBT Second Amendment [Member] Second amendment. Fair Value, Inputs, Level 2 [Member] Level 2 Debt Securities, Available-for-Sale Estimated Fair Value Debt Securities, Available-for-sale, Total Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Equity investment ownership percentage. Equity Investment Ownership Percentage Equity investment ownership percentage Restricted Cash and Cash Equivalents, Current Restricted cash Amortized Cost Commitments and Contingencies Commitments and contingencies Information by type of sale of the entity's stock. = 2022 Underwritten Public Offering [Member]. Two Thousand Twenty Two Underwritten Public Offering [Member] 2022 Underwritten Public Offering Minimum [Member] Minimum Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Stock Issued During Period, Value, Issued for Services Stock-based compensation related to issuance of common stock and options in exchange for services Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate range, maximum (as a percent) Represents the period following change of control within which an employee is not offered comparable employment (new or continuing) by the entity or its successor or acquired and to be considered as triggering event for severance payments. Loss Contingency Triggering Event Period Following Change Of Control During Which No Comparable Employment Is Offered By Entity Period within which no comparable employment is offered by the entity following a change of control Litigation Settlement Amount, Interest and other receivable Recognized Litigation Settlement Amount, Interest and other receivable Recognized Settlement amount, Interest and other receivable recognized Lessee, Leases [Policy Text Block] Leases Accrued Liabilities, Current Accrued liabilities Accrued liabilities Debt Instrument [Axis] Debt Instrument Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Entity Address, Address Line Two Entity Address, Address Line Two Revenues [Abstract] Revenues: Award Type [Axis] Award Type Subsequent Event [Member] Subsequent Event Realized Investment Gains (Losses) Realized investment gains (losses) Realized Investment Gains (Losses), Total Loss Contingencies [Table] Other Nonoperating Income (Expense) Other income and (expense), net Other Nonoperating Income (Expense), Total Less: current portion of debt Long-Term Debt, Current Maturities Less: current portion of debt Long-term Debt, Current Maturities, Total Carrying value as of the balance sheet of obligations incurred through the date and payable for manufacturing related costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Manufacturing Activities Current Manufacturing activities Option One Min Cash Debt Covenant [Member] Option one min cash debt covenant [Member] Option one min cash debt covenant. Entity Central Index Key Entity Central Index Key Restricted cash and cash equivalents gross unrealized losses. Restricted Cash And Cash Equivalents Gross Unrealized Losses Gross Unrealized Losses Accounting Policies [Abstract] Investment Holdings [Table] Investment Holdings [Table] Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Assumptions used to estimate fair value of awards Litigation Case [Axis] Debt Securities, Available-for-Sale [Line Items] Schedule Of Available For Sale Securities [Line Items] Measurement Frequency [Axis] Measurement Frequency General and Administrative Expense General and administrative General and Administrative Expense, Total Amortization of debt issuance costs/debt discounts Amortization of Debt Issuance Costs and Discounts Amortization of Debt Issuance Costs and Discounts, Total Organization, Consolidation and Presentation of Financial Statements [Abstract] Research and Development Expense [Member] Research and development Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate range, minimum (as a percent) Forecast [Member] Scenario Forecast [Member] Government-sponsored enterprise securities Government-Sponsored Enterprise Securities [Member] Government-Sponsored Enterprise Securities [Member] Retained Earnings [Member] Accumulated Deficit Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Fair Value Method Business Combination Cost Of Acquired Entity Equity Interests Issued And Issuable Fair Value Method Money Market Funds [Member] Money market funds Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Stock-Based Compensation Expense Litigation settlement amount, General and administrative expense recognized. Litigation settlement amount, General and administrative expense recognized Settlement amount, General and administrative expense recognized Entity Interactive Data Current Entity Interactive Data Current Accrued Liabilities [Member] Accrued Liabilities Represents the gross unrealized gains for cash and cash equivalents. Cash And Cash Equivalents Unrealized Gains Gross Unrealized Gains Allowances for credit losses on available-for-sale securities Debt Securities, Available-for-Sale, Allowance for Credit Loss Debt Securities, Available-for-Sale, Allowance for Credit Loss, Ending Balance Debt Securities, Available-for-Sale, Allowance for Credit Loss, Beginning Balance Debt Securities, Available-for-Sale, Allowance for Credit Loss, Total Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Issuance costs Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer 12 Months or Longer - Estimated Fair Value Local Phone Number Local Phone Number Restricted cash and cash equivalents unrealized gains. Restricted Cash And Cash Equivalents Unrealized Gains Gross Unrealized Gains Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Vesting period of awards Debt Disclosure [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Stock-Based Compensation Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Municipal Bonds [Member] Municipal securities Equity Securities, FV-NI, Unrealized Gain (Loss) Change in fair value of equity investment Equity Securities, FV-NI, Unrealized Gain (Loss), Total Represents the period within which employee resigns following a change of control due to material change in terms of employment and to be considered as triggering event for severance payments. Loss Contingency Triggering Event Period Following Change Of Control Within Which Employee Resigns Due To Material Change In Terms Of Employment Period within which employee resigns following a change of control due to material change in terms of employment Description of term loan payment terms Debt Instrument, Payment Terms Tranche Two [Member] Tranche two. Income Statement Location [Domain] Income Statement Location Derivative Stipulation Derivative Stipulation [Member] Derivative stipulation. 2024 Long-Term Debt, Maturity, Year One Increase (Decrease) in Operating Liabilities Current and noncurrent liabilities Increase (Decrease) in Operating Liabilities, Total Long-Term Debt Carrying value of term loan, net Long-term Debt, Total Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Tranche C [Member] Tranche C [Member] Tranche C [Member] Debt Instrument, Name [Domain] Debt Instrument, Name Document Fiscal Year Focus Document Fiscal Year Focus Vesting [Domain] Basic net loss per share Earnings Per Share, Basic Earnings Per Share, Basic, Total Assets [Abstract] ASSETS Tranche Three [Member] Tranche three. Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected volatility range, minimum (as a percent) Option Three Min Cash Debt Covenant [Member] Option three min cash debt covenant [Member] Option three min cash debt covenant. Litigation settlement amount, Accrued liabilities recognized Litigation settlement amount, Accrued liabilities recognized Litigation settlement amount, Accrued liabilities recognized Prepaid Expense and Other Assets, Current Prepaid and other current assets Public offering price of common stock per share Shares Issued, Price Per Share Combined public offering price per share of common stock and accompanying stock purchase warrants Share-Based Payment Arrangement [Member] Stock options and warrants excluded from diluted net loss per share calculation due to net loss position Employee Stock Purchase Plan US Treasury Securities Due In less than one Year Member. U S Treasury Securities Due In Less Than One Year [Member] U.S. Treasury securities (due in less than one year) Financial Instrument [Axis] Financial Instrument Debt Debt, Current Debt, Current, Total Shareholders' Equity and Share-Based Payments [Text Block] STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY 2023 Pre-funded Warrant Two Thousand Twenty Three Pre Funded Warrant Member Two thousand twenty three pre funded warrant. 2023 Public Offering Two Thousand Twenty Three Underwritten Public Offering [Member] 2023 Underwritten Public Offering. Antidilutive Securities, Name [Domain] Antidilutive Securities, Name Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Represents information pertaining to debentures, bonds and other debt securities issued by US government sponsored entities (GSEs), for example, but not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB). Excludes debt issued by the Government National Mortgage Association (GNMA or Ginnie Mae), due in one to two years. U S Government Sponsored Enterprises Debt Securities Due In One To Two Years [Member] Government-sponsored enterprise securities (due in one to two years) Foreign Currency Transaction Gain (Loss), Unrealized Gain (loss) related to foreign currency translation Assets, Current [Abstract] Current assets: 2022 Pre-Funded Warrant Two Thousand Twenty Two Pre Funded Warrants [Member] Two thousand twenty two pre-funded warrants. Class of Warrant or Right, Exercise Price of Warrants or Rights Warrant exercise price Debt Securities, Available-for-Sale, Noncurrent Noncurrent marketable securities Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Less Than 12 Months - Gross Unrealized Losses Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Schedule of cash equivalents and marketable securities with unrealized losses Payables and Accruals [Abstract] Measurement Frequency [Domain] Measurement Frequency Warrants issued shares. Warrants Issued Shares Common stock exercised to warrants purchase Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: Cover [Abstract] Proceeds from issuance of common stock from public offering and pre-funded warrant, net of paid issuance costs Proceeds from public offering issuance of common stock and warrants. Proceeds From Public Offering Issuance Of Common Stock And Warrants Proceeds from issuance of common stock and warrants in public offering, net of paid issuance costs Available remaining loan committed principal Debt Instrument, Unused Borrowing Capacity, Amount Adjustments to additional paid in capital share based compensation requisite service period recognition shares. Adjustments To Additional Paid In Capital Share Based Compensation Requisite Service Period Recognition Shares Stock-based compensation for equity-based awards to employees and directors (in shares) Liabilities, Current [Abstract] Current liabilities: Maximum [Member] Maximum Other comprehensive income (loss) OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Net unrealized gain (loss) on marketable securities Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Summary of allocation of stock-based compensation expense included in operating expenses on condensed consolidated statements of operations related to share-based payment awards Issuance of common stock and pre-funded warrant to purchase common stock in public offering, net of issuance costs of $14,507 (in shares) Public offering stock issued during period shares new issues. Public Offering Stock Issued During Period Shares New Issues Effect of exchange rates on cash, cash equivalents and restricted cash Amount of increase (decrease) from effect of unrealized losses and exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Effect Of Unrealized Losses And Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Issuance of Stock and Warrants for Services or Claims Stock-based compensation for services by non-employees Loss contingency period of current base salary to be paid under severance plan. Loss Contingency Period Of Current Base Salary To Be Paid Under Severance Plan Period of base salary to be considered for severance payments Fair Value, Inputs, Level 3 [Member] Level 3 US Government-sponsored Enterprises Debt Securities [Member] Government-sponsored enterprise securities Use of Estimates, Policy [Policy Text Block] Use of Estimates Cash Equivalents, at Carrying Value Amortized Cost 2022 Stock Purchase Warrants. Two Thousand Twenty Two Stock Purchase Warrants [Member] 2022 Stock Purchase Warrants Stock Issued During Period, Shares, Issued for Services Stock-based compensation related to issuance of common stock and options in exchange for services (in shares) This category includes information about short-term debt securities that are issued by either a domestic or foreign corporate business entity with a date certain promise of repayment and a return to the holder for the time value of money (for example, variable or fixed interest), due in one to two years. Corporate Note Securities Due In One To Two Years [Member] Corporate notes (due in one to two years) Remainder of 2023 Long-Term Debt, Maturity, Remainder of Fiscal Year Segment Reporting, Policy [Policy Text Block] Segment Information Property, Plant and Equipment, Useful Life Estimated useful lives of assets Amount for second draw down under Tranche A term loan Second Draw Down Under Tranche A Term Loan Remaining amount drawn down under Tranche A term loan Long-Term Debt, Gross Principal amount outstanding under term loan Reverse stock split ratio for equity investment. Equity Investment Reverse Stock Split Equity investment reverse stock split Trading Symbol Trading Symbol Equity Securities [Member] Equity Investment Subsequent Event Type [Axis] Operating Lease, Right-of-Use Asset, Amortization Expense Amortization of right-of-use assets Balance Sheet Location [Axis] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Comprehensive loss Accounts Payable, Current Accounts payable Accounts Payable, Current, Total Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Gross Unrealized Losses Plan Name [Axis] Pre-Funded Warrants Pre Funded Warrants Purchase [Member] Pre-funded warrants purchase. Restricted Investments, at Fair Value Estimated Fair Value Percentage of net product revenue Percentage of Net Product Revenue Percentage of net product revenue. Securities class action settlement. Securities Class Action Settlement Securities class action settlement Class Action Stipulation Class Action Stipulation [Member] Class action stipulation. Research and Development Expense (Excluding Acquired in Process Cost) Research and development Debt Instrument [Line Items] Debt Instrument [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potential dilutive securities excluded from diluted earnings (loss) per share calculation (in shares) Cash and Cash Equivalents, Fair Value Disclosure Estimated Fair Value