Shelf Registration And Sales Agreement Shelf Registration and Sales Agreement [Member] Shelf Registration and Sales Agreement. Operating expenses: Operating Expenses [Abstract] Loss from operations Loss from operations Operating Income Loss Denominator: Weighted Average Number Of Shares Outstanding Diluted Disclosure Items [Abstract] Prepaid expenses and other current assets Increase Decrease In Prepaid Expenses And Other Current Assets Increase (decrease) in prepaid expenses and other current assets. Short term lease additional commitments Short Term Lease Additional Commitments Short term lease additional commitments. 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Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Percentage of outstanding shares subject to automatic increase in common stock Percentage Of Outstanding Shares Subject To Automatic Increase In Common Stock Percentage of outstanding shares subject to automatic increase in common stock. Class of Stock Class Of Stock [Domain] Redeemable convertible preferred stock converted into common stock Convertible Preferred Stock Shares Issued Upon Conversion 2016 Equity Incentive Plan Two Thousand And Sixteen Equity Incentive Plan [Member] Two thousand and sixteen equity incentive plan. Number of shares early exercised under any plan Share Based Compensation Arrangement By Share Based Payment Award Options Early Exercised Shares Share-based compensation arrangement by share-based payment award, options, early exercised, shares. 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Restricted Cash, Total Restricted cash Restricted Cash Separation Agreement completion date Restructuring And Related Activities Completion Date Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] City Area Code City Area Code US Treasury Securities U S Treasury Securities [Member] Forfeited, Weighted-Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Commitments and contingencies (Note 8) Commitments And Contingencies Stock Options, Available for Future Issuance Stock Options Available For Future Issuance [Member] Stock options, available for future issuance. Proceeds from maturities of investments Proceeds from Sale, Maturity and Collection of Investments Proceeds from Sale, Maturity and Collection of Investments, Total Schedule of Potentially Dilutive Securities not Included in Calculation of Diluted Per Share Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Initial public offering of common stock, net of underwriting expenses and offering costs, Shares Stock Issued During Period Shares New Issues Recent Accounting Pronouncements Not Yet Adopted Recent Accounting Pronouncements Not Yet Adopted Policy [Text Block] Recent accounting pronouncements not yet adopted. Debt Securities, Available-for-sale, Total Available for sale, fair value Available For Sale Securities Debt Securities Series B Redeemable Convertible Preferred Stock Series B Redeemable Convertible Preferred Stock [Member] Series B redeemable convertible preferred stock. Interim Condensed Financial Statements Basis Of Accounting Policy Policy [Text Block] ESPP issued Issuance of common stock related to employee stock purchase plan, Shares Stock Issued During Period Shares Employee Stock Purchase Plans Liabilities fair value Liabilities Fair Value Disclosure Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance Total cash, cash equivalents and restricted cash Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Number of Monthly Installments Number Of Monthly Installments Number of monthly installments. Income Statement [Abstract] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] 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] Net cash used in investing activities Net Cash Provided By Used In Investing Activities Term Loan Debt Disclosure [Text Block] Commitments and Contingencies Commitments And Contingencies Policy [Text Block] General and Administrative Expense, Total General and administrative General And Administrative Expense Property and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Common Stock, Shares, Issued, Total Common stock, shares issued Common Stock Shares Issued Risks and Uncertainties Risks And Uncertainties Policy [Text Block] Risks and uncertainties.. 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Furniture And Fixtures [Member] Furniture and Fixtures [Member] Other Liabilities, Noncurrent, Total Other liabilities Other Liabilities Noncurrent Cash equivalents, fair value Cash and cash equivalents, fair value Cash And Cash Equivalents Fair Value Disclosure Subsequent Event Type Subsequent Event Type [Domain] Share Based Compensation Award Tranche Three Member Share-based Payment Arrangement, Tranche Three [Member] Debt Disclosure [Abstract] Document Period End Date Document Period End Date Restricted cash Restricted Cash Noncurrent Income Statement Location Income Statement Location [Axis] Investments Investment Type Categorization [Member] Registration Payment Arrangement by Arrangement [Axis] Warrant Warrant [Member] Debt issuance costs Deferred Finance Costs Gross Common stock shares authorized Common stock, shares authorized Common Stock Shares Authorized Use of Estimates Use Of Estimates Lease liability, current portion Operating Lease Liability Current Class of Stock Statement Class Of Stock [Axis] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Cash and cash equivalents and available for sale securities, amortized cost Cash And Cash Equivalents And Available For Sale Amortized Cost Cash and cash equivalents and available for sale amortized cost. Potential dilutive securities excluded from diluted net loss per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Debt Instrument [Table] Debt Instrument [Table] Interest Expense, Debt, Total Interest payments on debt Interest Expense Debt Vesting [Axis] Debt instrument, maturity date Debt Instrument Maturity Date Cash paid for interest Interest Paid Net Cash paid for amounts included in measurement of lease liabilities Cash Paid For Amounts Included In Measurement Of Lease Liabilities Cash paid for amounts included in measurement of lease liabilities. 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Operating leases, lease expense Operating Lease Cost Increase (Decrease) in Other Operating Assets, Total Other assets Increase Decrease In Other Operating Assets Operating Leases, option to renew lease term Lessee Operating Lease Existence Of Option To Extend First Tranche Term Loan First Tranche Term Loan [Member] First tranche term loan. Shares, Unvested, Beginning Balance Shares, Unvested, Ending Balance Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Debt Instrument Frequency Of Periodic Payment Debt Instrument Frequency Of Periodic Payment ASSETS Assets [Abstract] Net exercised of common stock Stock Issued During Period Shares Conversion Of Convertible Securities Accounts Payable, Current, Total Accounts payable Accounts Payable Current Debt Instrument, Name Debt Instrument Name [Domain] Common stock par value per share Common stock, par value Common Stock Par Or Stated Value Per Share Investments Debt And Equity Securities [Abstract] Maximum amount of sale covered in shelf registration statement Maximum Amount Of Sale Covered In Shelf Registration Statement Maximum amount of sale cCovered in shelf registration statement. Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Additional paid-in capital Additional Paid In Capital Common Stock Document Type Document Type Vesting [Domain] Cash Equivalents and Investments Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Cash, cash equivalents and investments Cash Cash Equivalents And Investments Cash cash equivalents and investments. 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Schedule of Accrued Expenses and Other Current Liabilities Schedule Of Accrued Liabilities Table [Text Block] Total current assets Assets Current Debt Securities, Available-for-sale, Realized Gain (Loss), Excluding Other-than-temporary Impairment, Total Debt securities, available-for-sale, realized gain (loss), excluding other-than-temporary impairment Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment Weighted Average Grant Date Fair Value Per Share, Granted Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments Granted Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments Granted Weighted Average Grant Date Fair Value Stock Options, Issued and Outstanding Employee Stock Option [Member] Debt Securities, Available-for-sale, Realized Gain (Loss), Total Debt securities, available-for-sale, realized gain (loss) Debt Securities Available For Sale Realized Gain Loss Weighted-Average Remaining Contractual Life (Years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Equity incentive plan, terms Share Based Compensation Arrangement By Share Based Payment Award Terms Of Award Supplemental disclosure of non-cash investing and financing activities: Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Floating interest rate scenario one Debt Instrument Frequency Of Periodic Payment Scenario One Debt instrument frequency of periodic payment scenario one. Other current assets Other Assets Current Earnings Per Share, Basic and Diluted, Total Net loss per share, basic and diluted Earnings Per Share Basic And Diluted Second Tranche Term Loan Second Tranche Term Loan [Member] Second tranche term loan. Leases [Abstract] Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] The First Amendment First Amendment To Loan And Security Agreement [Member] First amendment to loan and security agreement. Cash And Cash Equivalents Cash And Cash Equivalents [Member] Aggregate license agreement amount Aggregate License Agreement Amount Aggregate license agreement amount. Vested and expected to vest, Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Common stock, shares outstanding Balance, Shares Balance, Shares Common Stock Shares Outstanding Class of Warrant or Right Class Of Warrant Or Right [Domain] Plan Name Plan Name [Axis] Less: accumulated depreciation Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Forfeited, Outstanding Stock Options Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Performance Stock Options Performance Stock Options [Member] Performance stock options. Short-term lease gross commitments Short Term Lease Commitment Amount Total operating expenses Operating Expenses Shares, Forfieted Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures Initial Public Offering I P O [Member] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Available for sale, gross unrealized losses Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Weighted Average Grant Date Fair Value Per Share, Beginning Balance Ending Balance, Weighted-Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Cash flows from operating activities Net Cash Provided By Used In Operating Activities [Abstract] Shares Subject to Outstanding Common Stock Options Shares Subject To Outstanding Common Stock Options [Member] Shares subject to outstanding common stock options. Warrants exercise price Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 Available for sale, gross unrealized gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Earnings Per Share [Abstract] Net loss Net loss Net Income Loss weighted-average discount rate Operating Lease Weighted Average Discount Rate Percent Research and Development Research And Development Expense [Member] Document Fiscal Period Focus Document Fiscal Period Focus Issuance of redeemable convertible preferred stock, net of issuance costs Temporary Equity Stock Issued During Period Value New Issues Accounting Policies [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Net Of Tax Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee stock purchase plan. Entity Address, Address Line One Entity Address Address Line1 Aggregate intrinsic value of options exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Beginning Balance, Outstanding Stock Options Ending Balance, Outstanding Stock Options Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Total current liabilities Liabilities Current Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net loss Profit Loss Commercial Paper Commercial Paper [Member] Entity Address, Postal Zip Code Entity Address Postal Zip Code Title of Individual Title Of Individual [Axis] Debt Instrument, Fair Value Disclosure, Total Estimated fair value of term loan Debt Instrument Fair Value Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Amortization of discount on available for sale securities Amortization of Discount on Available for Sale Securities1 Amortization of discount on available for sale securities. Subsequent Event [Table] Subsequent Event [Table] Balance Balance Temporary Equity Carrying Amount Attributable To Parent Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total Cash in operations Net Cash Provided By Used In Operating Activities Continuing Operations Shares available for future issuance under 2020 Equity Incentive Plan Shares Available For Future Issuance Under Two Thousand And Twenty Equity Incentive Plan [Member] Shares available for future issuance under two thousand and twenty equity incentive plan. Collaborative Arrangement and Arrangement Other than Collaborative Arrangements And Nonarrangement Transactions [Member] Net cash used in operating activities Net Cash Provided By Used In Operating Activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Weighted Average Grant Date Fair Value Per Share, Ending Balance Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments Outstanding Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments Outstanding Weighted Average Grant Date Fair Value Equity Components Statement Equity Components [Axis] Operating leases, gross commitment Lease Gross Commitment Amount Lease gross commitment amount. Proceeds from Issuance of Long-term Debt, Total Proceeds from issuance of long-term debt, net of issuance costs Proceeds From Issuance Of Long Term Debt Vested and exercisable, Weighted-Average Remaining Contractual Life (Years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 Current assets: Assets Current [Abstract] Balance Sheet Components Disclosure [Abstract] Balance Sheet Components Disclosure Entity Registrant Name Entity Registrant Name Capital Structure Stockholders Equity Note Disclosure [Text Block] Text Block [Abstract] Entity Interactive Data Current Entity Interactive Data Current Prime Rate Prime Rate [Member] Entity Address, City or Town Entity Address City Or Town Total accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Liabilities And Other Liabilities Current Accrued liabilities and other liabilities, current. Trading Symbol Trading Symbol Cash flows from investing activities Net Cash Provided By Used In Investing Activities [Abstract] Short-term lease extended term Lessee Operating Lease Extended Term Of Contract Lessee operating lease extended term of contract. Local Phone Number Local Phone Number Vested and exercisable, Outstanding Stock Options Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number Total stockholders’ equity Balance Balance Stockholders Equity Proceeds from issuance of long-term debt, issuance costs Payments Of Debt Issuance Costs Subsequent Event Type Subsequent Event Type [Axis] Preferred Stock, Shares Issued, Total Preferred stock, shares issued Preferred Stock Shares Issued Repayments of Long-term Debt, Total Repayment of term loan Repayments Of Long Term Debt Financial assets fair value Assets Fair Value Disclosure Statistical Measurement Range [Axis] Entity Small Business Entity Small Business Increase (Decrease) in Other Operating Liabilities, Total Other liabilities Increase Decrease In Other Operating Liabilities Emerging Growth Company Status Emerging Growth Company Policy Policy [Text Block] Emerging growth company policy. Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Preferred Stock Shares Outstanding Organization Consolidation And Presentation Of Financial Statements [Abstract] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Stock-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Overallotment Option Over Allotment Option [Member] Long-term Debt, Excluding Current Maturities, Total Term loan, net of current portion Long Term Debt Noncurrent Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] Deferred offering costs included in accounts payable and accrued expenses Deferred Offering Costs Included In Accounts Payable And Accrued Expenses Deferred offering costs included in accounts payable and accrued expenses. Common stockholders voting rights Common Stock Voting Rights Entity Entity [Domain] Shares issued under plan Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period Shares, Granted Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Debt instrument prepayment fee percentage Debt Instrument Prepayment Fee Percentage Debt instrument prepayment fee percentage. End of term payment, percentage End Of Term Payment Percentage End of term payment, percentage. Two thousand and twenty employee stock purchase plan. Two Thousand And Twenty Employee Stock Purchase Plan [Member] 2020 Employee Stock Purchase Plan Accrued research and development expenses Accrued Research And Development Expenses Accrued research and development expenses. 2020 Equity Incentive Plan Two Thousand And Twenty Equity Incentive Plan [Member] Two thousand and twenty equity incentive plan. Cash and cash equivalents and available for sale securities, gross unrealized gains Cash And Cash Equivalents And Available For Sale Gross Unrealized Gain Cash and cash equivalents and available for sale gross unrealized gain. Summary of Financial Assets Measured at Fair Value on Recurring Basis Fair Value Assets Measured On Recurring Basis [Text Block] Numerator: Net Income Loss [Abstract] Granted, Weighted-Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Sale of Stock Sale Of Stock Name Of Transaction [Domain] Redeemable convertible preferred stock, shares issued Temporary Equity Shares Issued Equity [Abstract] Plan Name Plan Name [Domain] Class Of Stock [Line Items] Class Of Stock [Line Items] Depreciation Depreciation Depreciation, Total Operating lease term Lessee Operating Lease Term Of Contract Operating lease commencement date Operating Lease Commencement Month And Year Operating lease commencement date. Prepaid Expense, Current, Total Prepaid expenses Prepaid Expense Current Separation Agreement term Restructuring And Related Activities Description Weighted Average Grant Date Fair Value Per Share, Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments Forfeited Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments Forfeited Weighted Average Grant Date Fair Value Series A Redeemable Convertible Preferred Stock Series A Redeemable Convertible Preferred Stock Series A Redeemable Convertible Preferred Stock [Member] Series A redeemable convertible preferred stock. Shares Subject To Outstanding Restricted Stock Units Shares Subject to Outstanding Restricted Stock Units [Member] Shares subject to outstanding restricted stock units. Balance Sheet Components Balance Sheet Components Disclosure [Text Block] Balance Sheet Components Disclosure Interest Expense, Total Interest expense Interest Expense Debt Instrument, Unamortized Discount, Total Unamortized debt discount Debt Instrument Unamortized Discount Cash and cash equivalents, gross unrealized gains Cash And Cash Equivalents Gross Unrealized Gain Cash and cash equivalents gross unrealized gain. Share-based Payment Arrangement, Noncash Expense, Total Stock-based compensation expense Share Based Compensation Summary of Stock Option Activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Long-Lived Tangible Asset [Domain] Total Term Loan debt Debt Instrument Carrying Amount Long-term Debt, Current Maturities, Total Less: Term Loan, current portion Term loan, current portion Long Term Debt Current Net cash (used in) provided by financing activities Net Cash Provided By Used In Financing Activities Maximum percentage of compensation that an employee is allowed to purchase shares Share Based Compensation Arrangement By Share Based Payment Award Maximum Employee Subscription Rate Commitments And Contingencies Disclosure [Abstract] Restricted and performance stock units, issued and outstanding Restricted and Performance Stock Units, Issued and Outstanding [Member] Restricted and performance stock units, issued and outstanding. Total assets Assets Level 2 Fair Value Inputs Level2 [Member] Leases Lessee Operating Leases [Text Block] Exercised, Outstanding Stock Options Exercise of stock options, Shares Stock Issued During Period Shares Stock Options Exercised Increase (Decrease) in Employee Related Liabilities, Total Accrued compensation and benefits Increase Decrease In Employee Related Liabilities Statement [Line Items] Statement [Line Items] Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Document Quarterly Report Document Quarterly Report Class of Warrant or Right Class Of Warrant Or Right [Axis] Statement Of Cash Flows [Abstract] Additional Paid-In Capital Additional Paid In Capital [Member] Title of 12(b) Security Security12b Title Comprehensive loss Comprehensive Income Net Of Tax Unamortized debt issuance costs and debt discount Debt Instrument Unamortized Debt Issuance Costs And Discount Debt instrument unamortized debt issuance costs and discount. Term Loan Term Loan [Member] Term loan. Level 3 Fair Value Inputs Level3 [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Supplemental cash flow data: Supplemental Cash Flow Elements [Abstract] Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable and accrued expenses Increase Decrease In Accounts Payable And Accrued Liabilities Schedule of Property and equipment Property, Plant and Equipment [Table Text Block] Level 1 Fair Value Inputs Level1 [Member] Vested and expected to vest, Weighted-Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price Options granted to purchase shares of common stock Granted, Outstanding Stock Options Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Entity Current Reporting Status Entity Current Reporting Status Base salary Officers Compensation Investment Type Investment Type [Axis] Jefferies LLC Jefferies LLC [Member] Jefferies LLC. Money Market Funds Money Market Funds [Member] Operating Leases, option to renew lease term description Lessee Operating Lease Option To Extend Debt Securities Available For Sale [Table] Debt Securities Available For Sale [Table] Summary of Stock-Based Compensation Expense Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Registration Payment Arrangement, Arrangement [Domain] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income [Member] Income Statement Location Income Statement Location [Domain] Cash and cash equivalents and available for sale securities, gross unrealized losses Cash And Cash Equivalents And Available For Sale Gross Unrealized Loss Cash and cash equivalents and available for sale gross unrealized loss. Preferred stock, shares authorized Preferred Stock Shares Authorized Minimum Minimum [Member] Vested and expected to vest, Weighted-Average Remaining Contractual Life (Years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 Measurement Frequency Fair Value Measurement Frequency [Domain] Exercise of stock options Stock Issued During Period Value Stock Options Exercised Schedule of Term Loan Schedule Of Debt Table [Text Block] Organization and Principal Activities Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Cash flows from financing activities Net Cash Provided By Used In Financing Activities [Abstract] Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total Unrecognized stock-based compensation expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Debt Instrument Debt Instrument [Axis] Entity Filer Category Entity Filer Category Document Fiscal Year Focus Document Fiscal Year Focus Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Vested and expected to vest, Outstanding Stock Options Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Weighted-average fair value of options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Debt securities, available-for-sale, Continuous unrealized loss position, 12 months or longer Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Accumulated deficit Retained Earnings Accumulated Deficit Income Taxes Income Tax Disclosure [Text Block] Entity Ex Transition Period Entity Ex Transition Period Fair Value Disclosures [Abstract] Estimated Shares Issuable Under ESPP Estimated Shares Issuable Under Employee Stock Purchase Plan [Member] Estimated shares issuable under the employee stock purchase plan. Short-term lease expense Short Term Lease Cost Debt instrument basis spread variable rate scenario two Debt Instrument Frequency Of Periodic Payment Scenario Two Debt instrument frequency of periodic payment scenario two. Maximum Maximum [Member] Entity Central Index Key Entity Central Index Key Restricted Cash Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Entity Tax Identification Number Entity Tax Identification Number Equity Component Equity Component [Domain] Separation Agreement Separation Agreement [Member] Separation agreement. Preferred Stock, Par Value Preferred Stock Par Or Stated Value Per Share Weighted-average remaining contractual term maturities available for sale Weighted Average Remaining Contractual Term Maturities Available For Sale Weighted-average remaining contractual term maturities available for sale. Summary of Amortized Cost, Unrealized Gains, and Losses, and Fair Value Debt Securities Available For Sale Table [Text Block] Summary of Common Stock Reserved for Future Issuance Common Stock Capital Shares Reserved For Future Issuance Table [Text Block] Common stock capital shares reserved for future issuance. Unrecognized stock-based compensation expense expected to be recognized over weighted-average vesting term Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Share Based Compensation Award Tranche Four Member Share Based Compensation Award Tranche Four [Member] Share Based Compensation Award Tranche Four [Member] Mr. King Chief Executive Officer [Member] Subsequent Events [Abstract] Subsequent Event [Line Items] Subsequent Event [Line Items] Leasehold Improvements [Member] Leasehold Improvements [Member] Shares authorized for issuance Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Computer And Office Equipment [Member] Computer And Office Equipment [Member] Computer and office equipment. Vested and exercisable, Weighted-Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price Statement [Table] Statement [Table] Weighted-average remaining lease term for operating leases Operating Lease Weighted Average Remaining Lease Term1 Entity File Number Entity File Number Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Accumulated Deficit Retained Earnings [Member] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Significant Accounting Policies Basis Of Presentation And Significant Accounting Policies [Text Block] Current liabilities: Liabilities Current [Abstract] Equity Incentive Plans and Stock-Based Compensation Expense Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Issuance of redeemable convertible preferred stock, net of issuance costs, Shares Temporary Equity Stock Issued During Period Shares New Issues Temporary equity stock issued during period shares new issues. Subsequent Events Subsequent Event [Member] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Vested and exercisable, Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value Cash and cash equivalents, amortized cost Cash And Cash Equivalents Amortized Cost Cash and cash equivalents amortized cost. Common Stock Common Stock [Member] Property and equipment, gross Property Plant and Equipment Gross Total Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Cover [Abstract] Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash Schedule Of Restricted Cash And Cash Equivalents [Text Block] Cash and cash equivalents, gross unrealized losses Cash And Cash Equivalents Gross Unrealized Loss Cash and cash equivalents gross unrealized loss. Redeemable convertible preferred stock, shares outstanding Balance, Shares Balance, Shares Temporary Equity Shares Outstanding Statement Of Stockholders Equity [Abstract] Property, Plant and Equipment [Table] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Debt instrument, extended term Debt Instrument Extended Term Debt instrument, extended term. Cash equivalents and short term investments due term Cash Equivalents And Short Term Investments Due Term Cash equivalents and short term investments due term. RSU Restricted Stock Units (RSUs) [Member] Long-Lived Tangible Asset [Axis] Document Transition Report Document Transition Report Silicon Valley Bank Silicon Valley Bank [Member] Silicon valley bank. Proceeds from exercise of stock options Proceeds From Stock Options Exercised Operating leases, renew lease term Lessee Operating Lease Renewal Term Research and Development Expense, Total Research and development Research And Development Expense Short term lease terminated Lessee Operating Lease Termination Date Lessee operating lease termination date. Dividends, Common Stock, Total Common stock dividends declared Dividends Common Stock Stock-based compensation expense Total stock-based compensation expense Allocated Share Based Compensation Expense Statement Of Financial Position [Abstract] Organization And Principal Activities [Line Items] Organization And Principal Activities [Line Items] Organization and principal activities. Depreciation, Depletion and Amortization, Total Depreciation and amortization Depreciation Depletion And Amortization Net decrease in cash, cash equivalents and restricted cash Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect Non-cash lease expense Operating Lease Right Of Use Asset Amortization Expense Debt instrument basis spread variable rate scenario one Debt Instrument Basis Spread Variable Rate Scenario One Debt instrument basis spread variable rate scenario one. Stockholders’ equity: Stockholders Equity [Abstract] Payment of deferred offering costs Payments Of Deferred Offering Costs Payment of deferred offering costs. Weighted Average Grant Date Fair Value Per Share, Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price, Ending Balance Long-term Investments, Total Long-term investments Long Term Investments Payments to Acquire Investments, Total Purchase of investments Payments To Acquire Investments Schedule of Computation of Basic and Diluted Net Loss Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Exercised, Weighted-Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Software Development [Member] Software Development [Member] Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Shares reserved for issuance Shares reserved for future issuance Common Stock Capital Shares Reserved For Future Issuance Measurement Frequency Fair Value By Measurement Frequency [Axis] Award Type Award Type [Axis] Entity Shell Company Entity Shell Company Offering price Sale Of Stock Price Per Share Schedule Of Available For Sale Securities [Line Items] Schedule Of Available For Sale Securities [Line Items] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities And Stockholders Equity [Abstract] Entity Incorporation, State or Country Code Entity Incorporation State Country Code Issuance of common stock related to employee stock purchase plan Stock Issued During Period Value Employee Stock Purchase Plan Net Loss Per Share Earnings Per Share [Text Block] Additional aggregate license agreement amount Additional Aggregate License Agreement Amount Additional aggregate license agreement amount. Amendment Flag Amendment Flag Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Short-term Investments, Total Short-term investments Short Term Investments Other Nonoperating Income (Expense), Total Other income, net Other Nonoperating Income Expense Fair Value Non-recurring Fair Value Measurements Nonrecurring [Member] Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Recently Adopted Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Title of Individual Title Of Individual With Relationship To Entity [Domain] Shares Subject to Common Stock Warrants Shares Subject To Common Stock Warrants [Member] Shares subject to common stock warrants. Fair value of modified awards to be recognized over requisite service period Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Total Term Loan, net Aggregate principal amount Long Term Debt Fair Value Recurring Fair Value Measurements Recurring [Member] Subsequent Events Subsequent Events [Text Block] Short Term Investments Short Term Debt [Member] Repayment of outstanding obligations Repayments Of Debt Debt instrument basis spread variable rate scenario two Debt Instrument Basis Spread Variable Rate Scenario Two Debt instrument basis spread variable rate scenario two. Legal fees Legal Fees Antidilutive Securities, Name Antidilutive Securities Name [Domain] Property, Plant and Equipment [Line Items] Other Assets, Noncurrent, Total Other assets Other Assets Noncurrent Unrealized loss on available for sale securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax, Total Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Employee Stock Purchase Plan, Available for Future Issuance Employee Stock [Member] Collaborative Arrangement and Arrangement Other than Collaborative Type Of Arrangement [Axis] Purchase price of common stock expressed as a percentage of fair market value Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Percent Corporate Bond Corporate Bond Securities [Member] Sale of Stock Subsidiary Sale Of Stock [Axis] Fair Value Measurements Fair Value Disclosures [Text Block] Net proceeds of common stock Proceeds From Issuance Of Common Stock