Entity Central Index Key
Cover [Abstract]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Current Reporting Status
Entity Current Reporting Status
Entity Voluntary Filers
Entity Voluntary Filers
Entity Interactive Data Current
Entity Interactive Data Current
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Public Float
Entity Public Float
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Shell Company
Entity Shell Company
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Ex Transition Period
Entity Ex Transition Period
Title of 12(b) Security
Security12b Title
Trading Symbol
Trading Symbol
Security Exchange Name
Security Exchange Name
Entity File Number
Entity File Number
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, Address Line Two
Entity Address Address Line2
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
ICFR Auditor Attestation Flag
Icfr Auditor Attestation Flag
Accrued liabilities and other liabilities, current.
Statement Of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Series A redeemable convertible preferred stock.
Series A Redeemable Convertible Preferred Stock
Series A Redeemable Convertible Preferred Stock [Member]
Statement [Line Items]
Statement [Line Items]
ASSETS
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Prepaid expenses
Prepaid Expense Current
Other current assets
Other Assets Current
Total current assets
Assets Current
Restricted cash
Restricted Cash Noncurrent
Right-of-use assets
Operating Lease Right Of Use Asset
Other assets
Other Assets Noncurrent
Total assets
Assets
LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT)
Liabilities And Stockholders Equity [Abstract]
Current liabilities:
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Term loan, current portion
Long Term Debt Current
Accrued expenses and other current liabilities
Accrued Liabilities And Other Liabilities Current
Accrued compensation and benefits
Accrued Employee Benefits Current
Total current liabilities
Liabilities Current
Term loan, net of current portion
Long Term Debt Noncurrent
Lease liability, net of current portion
Operating Lease Liability Noncurrent
Other liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 7)
Commitments And Contingencies
Series A redeemable convertible preferred stock, $0.0001 par value; 0 shares and 28,000,000 shares authorized, issued and outstanding as of December 31, 2020 and 2019, respectively; liquidation preference of $0 and $28,000 as of December 31, 2020 and 2019, respectively
Temporary Equity Carrying Amount Attributable To Parent
Stockholders’ equity (deficit):
Stockholders Equity [Abstract]
Preferred stock, $0.0001 par value; 10,000,000 shares and 0 shares authorized as of December 31, 2020 and 2019, respectively; 0 shares issued and outstanding as of December 31, 2020 and 2019
Preferred Stock Value
Common stock, $0.0001 par value; 200,000,000 shares and 41,000,000 shares authorized as of December 31, 2020 and 2019, respectively; 23,260,399 shares and 764,408 shares issued and outstanding as of December 31, 2020 and 2019, respectively
Common Stock Value
Additional paid-in capital
Additional Paid In Capital Common Stock
Accumulated deficit
Retained Earnings Accumulated Deficit
Total stockholders’ equity (deficit)
Stockholders Equity
Total liabilities, redeemable convertible preferred stock and stockholders’ equity (deficit)
Liabilities And Stockholders Equity
Redeemable convertible preferred stock, par value
Temporary Equity Par Or Stated Value Per Share
Redeemable convertible preferred stock, shares authorized
Temporary Equity Shares Authorized
Redeemable convertible preferred stock, shares issued
Temporary Equity Shares Issued
Redeemable convertible preferred stock, shares outstanding
Temporary Equity Shares Outstanding
Redeemable convertible preferred stock, liquidation preference
Temporary Equity Liquidation Preference
Preferred Stock, Par Value
Preferred Stock Par Or Stated Value Per Share
Preferred stock, shares authorized
Preferred Stock Shares Authorized
Preferred stock, shares issued
Preferred Stock Shares Issued
Preferred stock, shares outstanding
Preferred Stock Shares Outstanding
Common stock, par value
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Income Statement [Abstract]
Operating expenses:
Operating Expenses [Abstract]
Research and development
Research And Development Expense
General and administrative
General And Administrative Expense
Total operating expenses
Operating Expenses
Loss from operations
Operating Income Loss
Interest expense
Interest Expense
Other income, net
Other Nonoperating Income Expense
Net loss
Net Income Loss
Net loss per share, basic and diluted
Earnings Per Share Basic And Diluted
Weighted-average shares of common stock outstanding, basic and diluted
Weighted Average Number Of Share Outstanding Basic And Diluted
Temporary equity stock issued during period shares new issues.
Temporary equity shares converted into common stock.
Temporary equity converted into common stock value.
Stock issued during period value exercise of warrants.
Stock issued during period shares exercise of warrants.
Statement Of Stockholders Equity [Abstract]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-In Capital
Additional Paid In Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Series B redeemable convertible preferred stock.
Series B Redeemable Convertible Preferred Stock
Series B Redeemable Convertible Preferred Stock [Member]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
Initial Public Offering
I P O [Member]
Balance
Balance, Shares
Balance
Balance, Shares
Issuance of redeemable convertible preferred stock, net of issuance costs
Temporary Equity Stock Issued During Period Value New Issues
Issuance of redeemable convertible preferred stock, net of issuance costs, Shares
Temporary Equity Stock Issued During Period Shares New Issues
Temporary equity, Conversion of redeemable convertible preferred stock into common stock upon initial public offering
Temporary Equity Converted Into Common Stock Value
Temporary equity, Conversion of redeemable convertible preferred stock into common stock upon initial public offering, Shares
Temporary Equity Shares Converted Into Common Stock
Conversion of redeemable convertible preferred stock into common stock upon initial public offering
Stock Issued During Period Value Conversion Of Convertible Securities
Conversion of redeemable convertible preferred stock into common stock upon initial public offering, Shares
Stock Issued During Period Shares Conversion Of Convertible Securities
Initial public offering of common stock, net of underwriting expenses and offering costs
Stock Issued During Period Value New Issues
Initial public offering of common stock, net of underwriting expenses and offering costs, Shares
Stock Issued During Period Shares New Issues
Exercise of common stock options
Stock Issued During Period Value Stock Options Exercised
Exercise of common stock options, Shares
Stock Issued During Period Shares Stock Options Exercised
Exercise of common stock warrant
Stock Issued During Period Value Exercise Of Warrants
Exercise of common stock warrant, Shares
Stock Issued During Period Shares Exercise Of Warrants
Stock-based compensation
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Issuance of warrant to purchase common stock
Adjustments To Additional Paid In Capital Warrant Issued
Net loss
Balance
Balance, Shares
Balance
Balance, Shares
Temporary equity stock issuance costs.
Underwriting expenses and offering costs.
Series A convertible preferred stock.
Series A Convertible Preferred Stock
Series A Convertible Preferred Stock [Member]
Series B convertible preferred stock.
Series B Convertible Preferred Stock
Series B Convertible Preferred Stock [Member]
Stock issuance costs
Temporary Equity Stock Issuance Costs
Underwriting expenses and offering costs
Underwriting Expenses And Offering Costs
Noncash operating lease expense.
Increase (decrease) in prepaid expenses and other current assets.
Fair value of common stock warrant issued in connection with term loan.
Exercise of common stock related to a cashless exercise of common stock warrant issued in connection with term loan.
Statement Of Cash Flows [Abstract]
Cash flows from operating activities
Net Cash Provided By Used In Operating Activities [Abstract]
Net loss
Profit Loss
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]
Stock-based compensation expense
Share Based Compensation
Depreciation and amortization
Depreciation Depletion And Amortization
Non-cash lease expense
Noncash Operating Lease Expense
Changes in operating assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Prepaid expenses and other current assets
Increase Decrease In Prepaid Expenses And Other Current Assets
Accounts payable and accrued expenses
Increase Decrease In Accounts Payable And Accrued Liabilities
Accrued compensation and benefits
Increase Decrease In Employee Related Liabilities
Other assets
Increase Decrease In Other Operating Assets
Other liabilities
Increase Decrease In Other Operating Liabilities
Net cash used in operating activities
Net Cash Provided By Used In Operating Activities
Cash flows from investing activities
Net Cash Provided By Used In Investing Activities [Abstract]
Purchases of property and equipment
Payments To Acquire Property Plant And Equipment
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Cash flows from financing activities
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs
Proceeds From Issuance Of Redeemable Convertible Preferred Stock
Proceeds from initial public offering, net of underwriting discounts and commissions
Proceeds From Issuance Initial Public Offering
Payment of issuance costs for initial public offering
Payments For Repurchase Of Initial Public Offering
Proceeds from exercise of common stock options
Proceeds From Stock Options Exercised
Proceeds from issuance of term loan, net of issuance costs
Proceeds From Issuance Of Debt
Net cash provided by financing activities
Net Cash Provided By Used In Financing Activities
Net increase (decrease) in cash, cash equivalents and restricted cash
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
Cash, cash equivalents, and restricted cash at beginning of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Cash, cash equivalents, and restricted cash at end of period
Supplemental cash flow data:
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest
Interest Paid Net
Supplemental disclosure of non-cash investing and financing activities:
Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract]
Right-of-use assets recognized in exchange for lease liabilities
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
Conversion of redeemable convertible preferred stock to common stock upon initial public offering
Conversion Of Stock Amount Converted1
Fair value of common stock warrant issued in connection with term loan
Fair Value Of Common Stock Warrant Issued In Connection With Term Loan
Exercise of shares of common stock related to a cashless exercise of common stock warrant issued in connection with term loan
Exercise Of Common Stock Related To A Cashless Exercise Of Common Stock Warrant Issued In Connection With Term Loan
Proceeds from issuance of term loan, issuance costs
Payments Of Debt Issuance Costs
Documents Incorporated by Reference
Documents Incorporated By Reference [Text Block]
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Organization and Principal Activities
Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block]
Accounting Policies [Abstract]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Fair Value Disclosures [Abstract]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Balance Sheet Components Disclosure
Balance Sheet Components Disclosure
Balance Sheet Components Disclosure [Abstract]
Balance Sheet Components
Balance Sheet Components Disclosure [Text Block]
Leases [Abstract]
Leases
Lessee Operating Leases [Text Block]
Debt Disclosure [Abstract]
Term Loan
Debt Disclosure [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Equity [Abstract]
Capital Structure
Stockholders Equity Note Disclosure [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Equity Incentive Plan and Stock-Based Compensation Expense
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
Research And Development [Abstract]
License Agreement
Collaborative Arrangement Disclosure [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Compensation And Retirement Disclosure [Abstract]
401(k) Retirement Savings Plan
Pension And Other Postretirement Benefits Disclosure [Text Block]
Earnings Per Share [Abstract]
Net Loss Per Share
Earnings Per Share [Text Block]
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Basis of Presentation
Basis Of Accounting Policy Policy [Text Block]
Use of Estimates
Use Of Estimates
Risks and uncertainties..
Risks and Uncertainties
Risks And Uncertainties Policy [Text Block]
Segment Reporting
Segment Reporting Policy Policy [Text Block]
Cash and Cash Equivalents
Cash And Cash Equivalents Policy [Text Block]
Restricted Cash
Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy
Fair Value of Financial Instruments
Fair Value Measurement Policy Policy [Text Block]
Concentration of Credit Risk
Concentration Risk Credit Risk
Leases
Lessee Leases Policy [Text Block]
Redeemable Convertible Preferred Stock
Stockholders Equity Note Redeemable Preferred Stock Issue Policy
Research and Development Expenses
Research And Development Expense Policy
Accrued research and development expenses.
Accrued Research and Development Expenses
Accrued Research And Development Expenses Policy [Text Block]
Patent costs.
Patent Costs
Patent Costs Policy [Text Block]
Income Taxes
Income Tax Policy [Text Block]
Stock-Based Compensation
Share Based Compensation Option And Incentive Plans Policy
Net Loss per Share
Earnings Per Share Policy [Text Block]
Commitments and Contingencies
Commitments And Contingencies Policy [Text Block]
Emerging growth company policy.
Emerging Growth Company Status
Emerging Growth Company Policy Policy [Text Block]
Recent accounting pronouncements not yet adopted.
Recent Accounting Pronouncements Not Yet Adopted
Recent Accounting Pronouncements Not Yet Adopted Policy [Text Block]
Recently Adopted Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash
Schedule Of Restricted Cash And Cash Equivalents [Text Block]
Schedule of Accrued Expenses and Other Current Liabilities
Schedule Of Accrued Liabilities Table [Text Block]
Future Minimum Annual Lease Commitments under Non-cancelable Operating Leases
Lessee Operating Lease Liability Maturity Table [Text Block]
Schedule of Term Loan
Schedule Of Debt Table [Text Block]
Schedule of Future Principal Payments
Schedule Of Maturities Of Long Term Debt Table [Text Block]
Common stock capital shares reserved for future issuance.
Summary of Common Stock Reserved for Future Issuance
Common Stock Capital Shares Reserved For Future Issuance Table [Text Block]
Schedule of Issued and Outstanding Redeemable Convertible Preferred Stock
Temporary Equity Table [Text Block]
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
Two thousand and twenty employee stock purchase plan.
2020 Employee Stock Purchase Plan
Two Thousand And Twenty Employee Stock Purchase Plan [Member]
Summary of Stock Option Activity
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Schedule of Weighted-Average Assumptions to Estimate Fair Value Using Black-Scholes Option-Pricing Model
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Schedule of Range of Assumptions Used to Calculate Stock Based Compensation Each Stock Purchase Right Granted Under ESPP
Schedule Of Share Based Payment Award Employee Stock Purchase Plan Valuation Assumptions Table [Text Block]
Summary of Stock-Based Compensation Expense
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Schedule of Reconciliation of the Federal Statutory Income Tax Rate to Effective Tax Rate
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Schedule of Significant Components of Net Deferred Tax Assets and Liabilities
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Schedule of Reconciliation of Beginning and Ending Balance of Unrecognized Tax Benefits
Summary Of Income Tax Contingencies [Text Block]
Schedule of Computation of Basic and Diluted Net Loss Per Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
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]
Organization and principal activities.
Organization and principal activities.
Organization And Principal Activities [Table]
Organization And Principal Activities [Table]
Overallotment Option
Over Allotment Option [Member]
Redeemable Convertible Preferred Stock
Redeemable Convertible Preferred Stock [Member]
Organization And Principal Activities [Line Items]
Organization And Principal Activities [Line Items]
Common stock, stock split ratio
Stockholders Equity Note Stock Split Conversion Ratio1
Common stock, reverse stock split
Stockholders Equity Reverse Stock Split
Underwriting discounts and commissions.
Offering price
Sale Of Stock Price Per Share
Net proceeds of common stock
Proceeds From Issuance Of Common Stock
Underwriting discounts and commissions
Underwriting Discounts And Commissions
Offering expense
Deferred Offering Costs
Redeemable convertible preferred stock converted into common stock
Convertible Preferred Stock Shares Issued Upon Conversion
Cash in operations
Net Cash Provided By Used In Operating Activities Continuing Operations
Summary of significant accounting policies.
Summary of significant accounting policies.
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Stock Option
Employee Stock Option [Member]
Accounting Standards Update
Adjustments For New Accounting Pronouncements [Axis]
Accounting Standards Update
Type Of Adoption [Member]
Topic 842
Accounting Standards Update201602 [Member]
Topic 820
Accounting Standards Update201813 [Member]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Number of operating segment
Number Of Operating Segments
Cash and cash equivalents
Restricted cash
Restricted Cash
Total cash, cash equivalents and restricted cash
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Redeemable convertible preferred stock converted into common stock
Interest or penalties charged related to unrecognized tax benefits
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
Recognition of stock option awards over requisite service period
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1
Operating lease right of use asset gross.
Change in accounting principle, accounting standards update, adopted
Change In Accounting Principle Accounting Standards Update Adopted
Change in accounting principle, accounting standards update, adoption date
Change In Accounting Principle Accounting Standards Update Adoption Date
Right-of-use asset
Operating Lease Right Of Use Asset Gross
Lease liability
Operating Lease Liability
Change in accounting principle, accounting standards update, immaterial effect
Change In Accounting Principle Accounting Standards Update Immaterial Effect
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Measurement Frequency
Fair Value By Measurement Frequency [Axis]
Measurement Frequency
Fair Value Measurement Frequency [Domain]
Fair Value Recurring
Fair Value Measurements Recurring [Member]
Fair Value Non-recurring
Fair Value Measurements Nonrecurring [Member]
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]
Financial assets fair value
Assets Fair Value Disclosure
Liabilities fair value
Liabilities Fair Value Disclosure
Estimated fair value of term loan
Debt Instrument Fair Value
Accrued research and development expenses.
Accrued general and administrative expenses.
Accrued research and development expenses
Accrued Research And Development Expenses
Accrued general and administrative expenses
Accrued General And Administrative Expenses
Lease liability, current portion
Operating Lease Liability Current
Total accrued expenses and other current liabilities
Operating lease commencement date.
Lease gross commitment amount.
Operating lease commencement date
Operating Lease Commencement Month And Year
Operating lease term
Lessee Operating Lease Term Of Contract
Operating leases, gross commitment
Lease Gross Commitment Amount
Operating Leases, option to renew lease term description
Lessee Operating Lease Option To Extend
Operating Leases, option to renew lease term
Lessee Operating Lease Existence Of Option To Extend
Operating leases, renew lease term
Lessee Operating Lease Renewal Term
Operating leases, lease expense
Operating Lease Cost
Short term lease commencement month and year.
Lessee operating lease extended term of contract.
Lessee operating lease termination date.
Short term lease additional commitments.
Operating lease commencement date
Short Term Lease Commencement Month And Year
Short-term lease gross commitments
Short Term Lease Commitment Amount
Short-term lease extended term
Lessee Operating Lease Extended Term Of Contract
Short term lease additional commitments
Short Term Lease Additional Commitments
Short term lease terminated
Lessee Operating Lease Termination Date
Short-term lease expense
Short Term Lease Cost
Rent expense
Lease And Rental Expense
Cash paid for amounts included in measurement of lease liabilities.
Weighted-average remaining lease term for operating leases
Operating Lease Weighted Average Remaining Lease Term1
weighted-average discount rate
Operating Lease Weighted Average Discount Rate Percent
Cash paid for amounts included in measurement of lease liabilities
Cash Paid For Amounts Included In Measurement Of Lease Liabilities
2021
Lessee Operating Lease Liability Payments Due Next Twelve Months
2022
Lessee Operating Lease Liability Payments Due Year Two
2023
Lessee Operating Lease Liability Payments Due Year Three
2024
Lessee Operating Lease Liability Payments Due Year Four
2025
Lessee Operating Lease Liability Payments Due Year Five
Total undiscounted future minimum lease payments
Lessee Operating Lease Liability Payments Due
Less: present value discount
Lessee Operating Lease Liability Undiscounted Excess Amount
Total discounted future minimum lease payments
Lease liability, current portion (included in "accrued expenses and other current liabilities" on the condensed balance sheet)
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]
Operating Lease Liability Current Statement Of Financial Position Extensible List
Lease liability, net of current portion
Debt instrument, extended term.
Debt Instrument [Table]
Debt Instrument [Table]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Term loan.
Term Loan
Term Loan [Member]
Legal Entity
Legal Entity [Axis]
Entity
Entity [Domain]
Silicon valley bank.
Silicon Valley Bank
Silicon Valley Bank [Member]
First tranche term loan.
First Tranche Term Loan
First Tranche Term Loan [Member]
Second tranche term loan.
Second Tranche Term Loan
Second Tranche Term Loan [Member]
Variable Rate
Variable Rate [Axis]
Variable Rate
Variable Rate [Domain]
Prime Rate
Prime Rate [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Warrant
Warrant [Member]
Class of Warrant or Right
Class Of Warrant Or Right [Axis]
Class of Warrant or Right
Class Of Warrant Or Right [Domain]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Debt instrument, extended term
Debt Instrument Extended Term
Number of tranches.
Debt instrument, month and year of first required payment.
Debt instrument, maturity month and year.
Outstanding term loan, after unamortized discount and debt issuance costs
Long Term Debt
Number of tranches
Number Of Tranches
Proceeds from issuance of term loan
Principal payments commencement month and year
Debt Instrument Month And Year Of First Required Payment
Debt instrument, maturity
Debt Instrument Maturity Month And Year
Debt instrument, basis spread reduction on variable rate.
Number of monthly installments.
End of term payment, percentage.
End of term payment, amount.
Debt instrument prepayment fee percentage.
Basis spread reduction for variable rate
Debt Instrument Basis Spread Reduction On Variable Rate
Floating interest rate
Long Term Debt Percentage Bearing Variable Interest Rate
Number of Monthly Installments
Number Of Monthly Installments
Frequency of payments
Debt Instrument Frequency Of Periodic Payment
Principal payments commencement date
Debt Instrument Date Of First Required Payment1
End of term payment, percentage
End Of Term Payment Percentage
End of term payment, amount
End Of Term Payment Amount
Debt instrument prepayment fee percentage
Debt Instrument Prepayment Fee Percentage
Number of shares issuable upon exercise of warrants.
Estimated fair value of warrant.
Number of shares issuable upon the exercise of warrant
Number Of Shares Issuable Upon Exercise Of Warrants
Warrants exercise price
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1
Estimated fair value of the warrant
Estimated Fair Value Of Warrant
Net exercised of common stock
Debt instrument unamortized debt issuance costs and discount.
Debt issuance costs
Deferred Finance Costs Gross
Unamortized debt issuance costs and debt discount
Debt Instrument Unamortized Debt Issuance Costs And Discount
Total Term Loan debt
Debt Instrument Carrying Amount
Less: unamortized discount and debt issuance costs
Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
Total Term Loan, net
Less: Term Loan, current portion
2021
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
2022
Long Term Debt Maturities Repayments Of Principal In Year Two
Total
Interest payments on debt
Interest Expense Debt
Schedule Of Stock By Class [Table]
Schedule Of Stock By Class [Table]
Series A Preferred Stock
Series A Preferred Stock [Member]
Series B Preferred Stock
Series B Preferred Stock [Member]
Class Of Stock [Line Items]
Class Of Stock [Line Items]
Common stock shares authorized
Common stock par value
Common stockholders voting rights
Common Stock Voting Rights
Common stock dividends declared
Dividends Common Stock
Common Stock Warrant
Series A Redeemable Convertible Preferred Stock
Stock Options, Issued and Outstanding
Stock options, available for future issuance.
Stock Options, Available for Future Issuance
Stock Options Available For Future Issuance [Member]
Employee Stock Purchase Plan, Available for Future Issuance
Employee Stock [Member]
Shares reserved for future issuance
Common Stock Capital Shares Reserved For Future Issuance
Temporary equity issue price per share.
Temporary Equity By Class Of Stock [Table]
Temporary Equity By Class Of Stock [Table]
Temporary Equity [Line Items]
Temporary Equity [Line Items]
Shares Authorized
Shares Issued
Shares Outstanding
Original Issue Price Per Share
Temporary Equity Issue Price Per Share
Aggregate Liquidation Amount
Net Carrying Value
Issue price per share
Liquidation preference original issuance price per share
Temporary Equity Liquidation Preference Per Share
Redeemable convertible preferred stockholders entitled to receive greater of maximum participation price per share.
Redeemable convertible preferred stockholders entitled to receive greater of maximum participation price per share
Redeemable Convertible Preferred Stockholders Entitled To Receive Greater Of Maximum Participation Price Per Share
Potential minimum gross cash proceeds from redeemable convertible preferred stock.
Potential minimum public offering price per share.
Temporary equity conversion basis.
Temporary equity conversion price per share.
Conversion price per share
Temporary Equity Conversion Price Per Share
Conversion basis description
Temporary Equity Conversion Basis
Potential minimum gross cash proceeds from redeemable convertible preferred stock
Potential Minimum Gross Cash Proceeds From Redeemable Convertible Preferred Stock
Potential minimum public offering price per share
Potential Minimum Public Offering Price Per Share
Redeemable convertible preferred stock holders voting rights.
Redeemable convertible preferred stock holders, voting rights
Redeemable Convertible Preferred Stock Holders Voting Rights
Number of directors entitled to be elected.
Number of directors entitled to be elected
Number Of Directors Entitled To Be Elected
Redeemable preferred stock dividends declared percentage.
Redeemable preferred stock dividends declared.
Non-cumulative dividends entitled to receive by redeemable preferred stock holders
Redeemable Preferred Stock Dividends Declared Percentage
Dividends declared
Redeemable Preferred Stock Dividends Declared
Share-based compensation arrangement by share-based payment award, term of automatically increase in common stock available for issuance.
Percentage of outstanding shares subject to automatic increase in common stock.
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Two thousand and twenty equity incentive plan.
2020 Equity Incentive Plan
Two Thousand And Twenty Equity Incentive Plan [Member]
Vesting
Vesting [Axis]
Vesting
Vesting [Domain]
First Anniversary
Share Based Compensation Award Tranche One [Member]
Monthly Anniversary
Share Based Compensation Award Tranche Two [Member]
All other options.
All Other Options
All Other Options [Member]
Performance stock options.
Performance Stock Options
Performance Stock Options [Member]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Two thousand and sixteen equity incentive plan.
2016 Equity Incentive Plan
Two Thousand And Sixteen Equity Incentive Plan [Member]
Grantee Status
Grantee Status [Axis]
Grantee Status
Grantee Status [Domain]
Stock Options Granted to Nonemployees
Share Based Payment Arrangement Nonemployee [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Term of automatically increase in common stock available for issuance
Share Based Compensation Arrangement By Share Based Payment Award Term Of Automatically Increase In Common Stock Available For Issuance
Percentage of outstanding shares subject to automatic increase in common stock
Percentage Of Outstanding Shares Subject To Automatic Increase In Common Stock
Equity incentive plans terms
Share Based Compensation Arrangement By Share Based Payment Award Terms Of Award
Percentage of incentive stock options granted.
Percentage of exercise price of incentive stock options granted owns stock.
Fair market value exercise price percentage.
Incentive stock options granted description.
Percentage of incentive stock options granted
Percentage Of Incentive Stock Options Granted
Percentage of Exercise price of incentive stock options granted owns stock
Percentage Of Exercise Price Of Incentive Stock Options Granted Owns Stock
Incentive stock options granted description
Incentive Stock Options Granted Description
Fair market value exercise price percentage
Fair Market Value Exercise Price Percentage
Vesting period
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
Vesting percentage
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage
Share based compensation arrangement by share based payment award maximum term.
Share based compensation arrangement by share based payment award options termination term if option holders service terminate.
Equity incentive plan, maximum term
Share Based Compensation Arrangement By Share Based Payment Award Maximum Term
Options termination term, if option holders service terminate
Share Based Compensation Arrangement By Share Based Payment Award Options Termination Term If Option Holders Service Terminate
Share-based compensation arrangement by share-based payment award, options, early exercised, shares.
Number of shares early exercised under any plan
Share Based Compensation Arrangement By Share Based Payment Award Options Early Exercised Shares
Beginning Balance, Outstanding Stock Options
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Granted, Outstanding Stock Options
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Exercised, Outstanding Stock Options
Forfeited/Cancelled, Outstanding Stock Options
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
Ending Balance, Outstanding Stock Options
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
Vested and exercisable, Outstanding Stock Options
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number
Beginning Balance, Weighted-Average Exercise Price
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Granted, Weighted-Average Exercise Price
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Exercised, Weighted-Average Exercise Price
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Forfeited/Cancelled, Weighted-Average Exercise Price
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Ending Balance, Weighted-Average Exercise Price
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
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
Weighted-Average Remaining Contractual Life (Years)
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
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
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
Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
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
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
Options granted to purchase shares of common stock
Aggregate intrinsic value of options exercised
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
Number of options exercised
Shares authorized for issuance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
Shares remained available for issuance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Requisite service period of award
Options granted to purchase shares of common stock
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
Options granted to purchase shares of common stock, weighted-average exercise price
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
Expected term (in years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Expected volatility
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
Risk-free interest rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
Expected dividend rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Total fair value of options vested
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
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
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
Employee stock purchase plan offering period.
Employee stock purchase plan offering period
Employee Stock Purchase Plan Offering Period
Initial offering period
Initial Offering Period
Compensation expense
Allocated Share Based Compensation Expense
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]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Research and Development
Research And Development Expense [Member]
General and Administrative
General And Administrative Expense [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]
Total stock-based compensation expense
Unrecognized stock-based compensation expense
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
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
Clinical and sales milestones payments.
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
License agreement.
License Agreement
License Agreement [Member]
Counterparty Name
Counterparty Name [Axis]
Counterparty Name
Repurchase Agreement Counterparty Name [Domain]
Eli Lilly and company.
Eli Lilly and Company
Eli Lilly And Company [Member]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Research and development expense
Milestone payments due
Clinical And Sales Milestones Payments
Research and development arrangement, costs incurred
Research And Development Arrangement Contract To Perform For Others Costs Incurred Gross
Income tax disclosure line items.
Income tax disclosure table.
Income Tax Disclosure [Table]
Income Tax Disclosure [Table]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Federal
Domestic Country [Member]
State
State And Local Jurisdiction [Member]
Tax Credit Carryforward
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name
Tax Credit Carryforward Name [Domain]
Research Credit Carry Forwards
Research [Member]
Tax Period
Tax Period [Axis]
Tax Period
Tax Period [Domain]
Tax Year 2020
Tax Year2020 [Member]
Identified as tax year 2021.
Tax Year 2021
Tax Year2021 [Member]
Identified as tax year 2022.
Tax Year 2022
Tax Year2022 [Member]
Income Tax Disclosure [Line Items]
Income Tax Disclosure [Line Items]
Income tax expense
Income Tax Expense Benefit
Federal statutory tax rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
State tax, net of federal benefit
Effective Income Tax Rate Reconciliation State And Local Income Taxes
Nondeductible expenses
Effective Income Tax Rate Reconciliation Nondeductible Expense
Tax credits
Effective Income Tax Rate Reconciliation Tax Credits
Change in valuation allowance
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
Prior year true-up for state net operating losses
Effective Income Tax Rate Reconciliation Prior Year Income Taxes
Other
Effective Income Tax Rate Reconciliation Other Adjustments
Effective tax rate
Effective Income Tax Rate Continuing Operations
Increase in net valuation allowance
Valuation Allowance Deferred Tax Asset Change In Amount
Deferred tax assets:
Deferred Tax Assets Gross [Abstract]
Net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards
Accruals
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
Intangible assets
Deferred Tax Assets Goodwill And Intangible Assets
Tax credits
Deferred Tax Assets Tax Credit Carryforwards
Other
Deferred Tax Assets Other
Total gross deferred tax assets
Deferred Tax Assets Gross
Valuation allowance for deferred tax assets
Deferred Tax Assets Valuation Allowance
Total net deferred tax assets
Deferred Tax Assets Net
Operating loss carryforwards expiration year.
Net operating loss carryforwards
Operating Loss Carryforwards
Net operating loss carryforwards expiration year
Operating Loss Carryforwards Expiration Year
Net operating loss-related deferred tax assets, federal
Deferred Tax Assets Operating Loss Carryforwards Domestic
Net operating loss-related deferred tax assets, state
Deferred Tax Assets Operating Loss Carryforwards State And Local
Tax credit carryforward expiration year.
Gross federal tax credit related deferred tax assets derecognized.
Tax credit carryforward, amount
Tax Credit Carryforward Amount
Tax credit carryforward expiration year
Tax Credit Carryforward Expiration Year
Gross federal tax credit-related deferred tax assets derecognized
Gross Federal Tax Credit Related Deferred Tax Assets Derecognized
Suspension of operating loss carryforwards on taxable income.
Suspension of net operating loss carryforwards on taxable income
Suspension Of Operating Loss Carryforwards On Taxable Income
Threshold percentage of tax positions likely of being realized upon ultimate settlement.
Percentage of tax positions likely of being realized upon ultimate settlement
Threshold Percentage Of Tax Positions Likely Of Being Realized Upon Ultimate Settlement
Unrecognized tax benefits
Unrecognized Tax Benefits
Balance at the beginning of the year
Increase of unrecognized tax benefits taken in prior years
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
Increase of unrecognized tax benefits related to current year
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
Balance at the end of the year
Income tax penalties or interest
Income Tax Examination Penalties And Interest Expense
Schedule Of Defined Benefit Plans Disclosures [Table]
Schedule Of Defined Benefit Plans Disclosures [Table]
Retirement Plan Name
Retirement Plan Name [Axis]
Retirement Plan Name
Retirement Plan Name [Domain]
Four zero one k plan.
401(K) Plan
Four Zero One K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Matching employer contributions
Defined Contribution Plan Employer Discretionary Contribution Amount
Numerator:
Net Income Loss [Abstract]
Denominator:
Weighted Average Number Of Shares Outstanding Diluted Disclosure Items [Abstract]
Weighted-average common shares outstanding
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Shares subject to outstanding common stock options.
Shares Subject to Outstanding Common Stock Options
Shares Subject To Outstanding Common Stock Options [Member]
Estimated shares issuable under the employee stock purchase plan.
Estimated Shares Issuable Under Employee Stock Purchase Plan
Estimated Shares Issuable Under Employee Stock Purchase Plan [Member]
Shares subject to common stock warrants.
Shares Subject to Common Stock Warrants
Shares Subject To Common Stock Warrants [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potential dilutive securities excluded from diluted net loss per share
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Subsequent Event [Table]
Subsequent Event [Table]
Title of Individual
Title Of Individual [Axis]
Title of Individual
Title Of Individual With Relationship To Entity [Domain]
Certain Executive Officers
Executive Officer [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Aggregate principal amount
Repayment of outstanding obligations
Repayments Of Debt
Debt instrument, maturity date
Debt Instrument Maturity Date
Debt instrument basis spread variable rate scenario one.
Debt instrument frequency of periodic payment scenario one.
Debt instrument basis spread variable rate scenario two.
Debt instrument frequency of periodic payment scenario two.
Debt instrument basis spread variable rate scenario one
Debt Instrument Basis Spread Variable Rate Scenario One
Floating interest rate scenario one
Debt Instrument Frequency Of Periodic Payment Scenario One
Debt instrument basis spread variable rate scenario two
Debt Instrument Basis Spread Variable Rate Scenario Two
Debt instrument basis spread variable rate scenario two
Debt Instrument Frequency Of Periodic Payment Scenario Two