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Schedule of Basic and Diluted Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Available-for-sale marketable securities and cash and cash equivalents, Estimated Fair Value Cash, Cash Equivalents And Available-For-Sale Debt Securities Cash, Cash Equivalents And Available-For-Sale Debt Securities Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents, estimated fair value Cash and Cash Equivalents, Fair Value Disclosure Outstanding (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] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Exercisable (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] Proceeds from issuances of common stock related to ATM, net of offering expenses Proceeds from Issuance of Common Stock Common stock, shares authorized (in shares) Common Stock, Shares Authorized Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Common stock shares sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Exercise Price Award Exercise Price Restructuring Cost [Table] Restructuring Cost [Table] CASH FLOWS FROM INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Fair Value, Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Proceeds from sales and maturities of marketable securities Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale 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] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Convertible Preferred Stock Convertible Preferred Stock [Member] Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Other receivables Increase (Decrease) in Other Receivables Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Research and development internal costs excluding stock based compensation expense Research And Development Internal Costs Excluding Stock Based Compensation Expense Research And Development Internal Costs Excluding Stock Based Compensation Expense Common Stock Common Stock [Text Block] Common stock text block. Aggregate offering price (up to) Sale of Stock, Consideration Received on Transaction Adoption Date Trading Arrangement Adoption Date Contract liabilities: Contract with Customer, Liability [Abstract] Counterparty Name [Domain] Counterparty Name [Domain] Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Total other income (expense) Nonoperating Income (Expense) Restructuring Type [Axis] Restructuring Type [Axis] 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 Internal costs Internal Costs Internal Costs Amortized Cost Basis 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] Outstanding, Beginning Balance (in shares) Outstanding, Ending Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance Shares Performance Shares [Member] Non Cash Consideration For Licensing And Collaboration Revenue Non Cash Consideration For Licensing And Collaboration Revenue Non-cash consideration for licensing and collaboration revenue. 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All Individuals All Individuals [Member] Wind-Down Costs Wind-Down Costs Wind-Down Costs Name Forgone Recovery, Individual Name Weighted-average period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Balance Sheet Related Disclosures [Abstract] Balance Sheet Related Disclosures [Abstract] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted-Average Grant Date Fair Value per RSU Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Line Items] Statement [Line Items] TOTAL ASSETS Assets Impairment Of Equity Method Investment Impairment Of Equity Method Investment Impairment Of Equity Method Investment Impairment Of Equity Method Investment Total common stock reserved for future issuance (in shares) Common stock reserved for future issuance (in shares) Common Stock, Capital Shares 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Issuances of common stock in connection with ATM offering, net of offering expenses (in shares) Issuance of common stock in connection with our ATM offering, net of offering expenses (in shares) Stock Issued During Period, Shares, New Issues PEO PEO [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Stock-based compensation Share-Based Payment Arrangement, Expense Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Issuances of common stock on exercises of 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 Cash Equivalents, at Carrying Value Cash Equivalents, at Carrying Value Revenue recognized included in the opening contract liabilities balance Contract with Customer, Liability, Revenue Recognized Change in fair value of equity securities Equity Securities, FV-NI, Gain (Loss) Accumulated Deficit Retained Earnings [Member] Operating lease liabilities, non-current Operating Lease, Liability, Noncurrent Total operating expenses Operating Expenses 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 Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Net unrealized loss on available-for-sale marketable securities, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized 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Research and Development Expense Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Major Customers Major Customers [Member] Major customers. Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Revenue ($ from related party for the three months ended xxx, respectively) Licensing and other third-party revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Financial Instruments [Domain] Financial Instruments [Domain] ESPP Employee Stock Purchase Plan Two Thousand Twenty One [Member] Employee Stock Purchase Plan Two Thousand Twenty One [Member] Accounts receivable, Additions Accounts Receivable Additions Accounts receivable additions. Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Revenue Revenue from Contract with Customer [Text Block] Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Over-Allotment Option Over-Allotment Option [Member] Weighted- Average Remaining Contractual Term (years) Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term [Abstract] Proceeds from exercise of stock options Proceeds from Exercise of Stock Options and Purchases of Common Stock Under Employee Stock Purchase Plan Proceeds from Exercise of Stock Options and Purchases of Common Stock Under Employee Stock Purchase Plan Stock Issued During Period, Shares, Acquisitions Stock Issued During Period, Shares, Acquisitions Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Schedule of Restricted Stock Units Activity (RSUs) Nonvested Restricted Stock Shares Activity [Table Text Block] Segment Reporting [Table] Segment Reporting [Table] Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Computer equipment Computer Equipment [Member] Sale of Stock Sale of Stock [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Other income (expense) Other Nonoperating Income (Expense) [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Loss from operations Operating Income (Loss) Remaining performance obligations Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Related Party Transaction [Domain] Related Party Transaction [Domain] 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] Stock options, issued and outstanding Equity Option [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Impairment of Leasehold Impairment of Leasehold Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted- Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Asset, Impairment Loss Asset, Impairment Loss Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Equity Issued in Business Combination, Fair Value Disclosure Equity Issued in Business Combination, Fair Value Disclosure Restricted Stock Units RSU and Performance-Based RSUs Restricted Stock Units RSU and Performance-Based RSUs [Member] Restricted Stock Units RSU and Performance-Based RSUs Quarter to Date At The Market ATM Offering Quarter to Date At The Market ATM Offering [Member] Quarter to Date At The Market ATM Offering Marketable securities, short-term Debt Securities, Available-for-Sale, Current Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Related Party Related Party [Member] Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Party D [Member] Party D [Member] Party D Entity Interactive Data Current Entity Interactive Data Current Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Net comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] 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] Other Other Liabilities, Current Other assets Other Assets, Noncurrent Document Type Document Type 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] Accrued expenses and other current liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue, net of current portion Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Entity Address Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name General and administrative expense excluding stock based compensation General And Administrative Expense Excluding Stock Based Compensation General And Administrative Expense Excluding Stock Based Compensation Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value COMMITMENTS AND CONTINGENCIES (Note 8) Commitments and Contingencies Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Total property and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Non-cash lease expense Non Cash Lease Expense Non cash lease expense. Furniture and equipment Furniture and Fixtures [Member] Point in Time Transferred at Point in Time [Member] Counterparty Name [Axis] Counterparty Name [Axis] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Exercisable (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements and Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term PEO Name PEO Name Authorized amount under shelf registration Sale Of Stock, Authorized Amount Under Shelf Registration Sale Of Stock, Authorized Amount Under Shelf Registration Total Accrued Liabilities and Other Liabilities Geographical [Axis] Geographical [Axis] Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities Leasehold improvements Leasehold Improvements [Member] Deferred revenue, current and long-term, Beginning Balance Deferred revenue, current and long-term, Ending Balance Deferred revenue Contract with Customer, Liability Sale of stock, number of shares remaining available, amount Sale of Stock, Number of Shares Remaining Available, Amount Sale of Stock, Number of Shares Remaining Available, Amount Cash, cash equivalents and short term marketable securities Cash, Cash Equivalents, and Short-Term Investments Other segment items Segment Reporting, Other Segment Item, Amount Long-Lived Asset, Class Long-Lived Asset, Class [Axis] Concentrations of Credit Risk and Other Uncertainties Concentration Risk, Credit Risk, Policy [Policy Text Block] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Significant Agreements [Abstract] Significant Agreements [Abstract] Significant agreements. Marketable securities, long-term Debt Securities, Available-for-Sale, Noncurrent 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 — BEGINNING OF PERIOD CASH, CASH EQUIVALENTS, AND RESTRICTED CASH — END OF PERIOD CASH, CASH EQUIVALENTS, AND RESTRICTED CASH ON THE BALANCE SHEET Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation State 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] Restricted cash Restricted Cash and Cash Equivalent, Current 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] Restructuring, number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Employee Share-Based Payment Arrangement, Employee [Member] Measurement Frequency [Axis] Measurement Frequency [Domain] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense At The Market ATM Offering At The Market ATM Offering [Member] At The Market ATM Offering Shares available for future issuances under the Employee Stock Purchase Plan ESPP shares pending purchase Employee Stock [Member] Customer [Domain] Customer [Domain] Net loss per share, basic (in dollars per share) Earnings Per Share, Basic Deferred revenue Deferred revenue, current Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] US Government agency bonds US Government Agency Bonds [Member] US government agency bonds. Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable Accounts receivable, Beginning Balance Accounts receivable, Ending Balance Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] 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] Available for sale, estimated fair value Debt Securities, Available-for-Sale Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Restructuring, number of positions eliminated, period, percent Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Rest of world Non-US [Member] Total research and development Research and Development Expense, Adjusted Research and Development Expense, Adjusted Total Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] General and administrative General and Administrative Expense, Adjusted General and Administrative Expense, Adjusted Deferred revenue, current and long-term, Deductions Contract With Customer Liability Deductions Contract with customer liability, deductions. Equity Awards Adjustments Equity Awards Adjustments [Member] Party C Party C [Member] Party C TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Shares available for future issuances under the 2021 Equity Incentive Plan Stock options Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Restructuring Charges Restructuring Charges Plan Name [Axis] Plan Name [Axis] Related Party [Axis] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Additional paid-in-capital Additional Paid in Capital Future payments for milestones Future Payments For Milestones Future Payments For Milestones Schedule of Common Stock Reserved for Future Issuance Schedule of Conversions of Stock [Table Text Block] Schedule of Stock-Based Compensation Expense Related to Equity-Based Awards Share-Based Payment Arrangement, Cost by Plan [Table Text Block] 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 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 NON-CURRENT ASSETS Assets, Noncurrent [Abstract] General and administrative General and Administrative Expense Shelf Registration Statement Available for Sale Shelf Registration Statement Available for Sale Shelf Registration Statement Available for Sale Long-Lived Asset, Class Long-Lived Asset, Class [Domain] Public offering price (in dollars per share) Sale of Stock, Price Per Share Right Of Use Asset Right Of Use Asset [Member] Right Of Use Asset Party B Party B [Member] Party B Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock [Domain] Class of Stock [Domain] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Party A Party A [Member] Party A Restructuring and Related Activities Disclosure [Text Block] Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Assets fair value Assets fair value Assets, Fair Value Disclosure Vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Name Measure Name Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Aggregate Intrinsic Value (in thousands) Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Aggregate Intrinsic Value [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Aggregate Intrinsic Value [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Accrued liabilities Accrued Liabilities Subsidiary or Equity Method Investee, Sale of Stock [Table] Subsidiary or Equity Method Investee, Sale of Stock [Table] Name Trading Arrangement, Individual Name Unrecognized stock-based compensation expense, excluding options Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and cash equivalents, amortized cost basis Cash and Cash Equivalent Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Vested and expected to vest (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Entity Address, Address Line Two Entity Address, Address Line Two Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest CURRENT ASSETS Assets, Current [Abstract] Accrued research and development expenses Accrued Research And Development Expenses Accrued research and development expenses. Non-PEO NEO Non-PEO NEO [Member] Entity Address Address Line1 Entity Address, Address Line One 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 Change in fair value of the MSKCC success payments liability Change In Fair Value Of Success Payments Liability Change in fair value of success payments liability. Other income, net Other income, net Other Nonoperating Income Customer Concentration Risk Customer Concentration Risk [Member] Award Timing Method Award Timing Method [Text Block] NET INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Cash, cash equivalents, and available-for-sale, amortized cost Cash, Cash Equivalents And Available-For-Sale Debt Securities, Amortized Cost Cash, Cash Equivalents And Available-For-Sale Debt Securities, Amortized Cost Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Schedule of Changes in Company's Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]