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
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Current Reporting Status
Entity Current Reporting Status
Entity Interactive Data Current
Entity Interactive Data Current
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Ex Transition Period
Entity Ex Transition Period
ICFR Auditor Attestation Flag
Icfr Auditor Attestation Flag
Entity Shell Company
Entity Shell Company
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Public Float
Entity Public Float
Entity File Number
Entity File Number
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
Title of 12(b) Security
Security12b Title
Security Exchange Name
Security Exchange Name
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
Statement Of Financial Position [Abstract]
Assets
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Marketable securities
Marketable Securities Current
Accounts receivable
Accounts Receivable Net Current
Prepaid expenses and other current assets
Prepaid Expense And Other Assets Current
Total current assets
Assets Current
Property and equipment, net
Property Plant And Equipment Net
Right-of-use asset
Operating Lease Right Of Use Asset
Restricted cash
Restricted Cash And Cash Equivalents 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
Accrued expenses and other current liabilities
Accrued Liabilities And Other Liabilities
Deferred revenue, current
Deferred Revenue Current
Operating lease liability, current
Operating Lease Liability Current
Total current liabilities
Liabilities Current
Deferred revenue, net of current
Deferred Revenue Noncurrent
Operating lease liability, net of current
Operating Lease Liability Noncurrent
Long-term debt—related party
Long Term Debt Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (See Note 6 and Note 9)
Commitments And Contingencies
Redeemable convertible preferred stock (See Note 10)
Temporary Equity Carrying Amount Attributable To Parent
Stockholders’ equity (deficit):
Stockholders Equity [Abstract]
Preferred stock, par value of $0.0001 per share; 10,000,000 and no shares authorized, and no shares issued or outstanding as of December 31, 2020 and 2019, respectively
Preferred Stock Value
Common stock, par value of $0.0001 per share; 150,000,000 and 21,343,452 shares authorized, and 43,059,632 and 1,426,641 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 other comprehensive loss
Accumulated Other Comprehensive Income Loss Net Of Tax
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
Preferred stock, par value per share
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 per share
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
Interest expense and amortization of long term debt related party.
Net income (loss) available to common stockholders, basic and diluted.
Income Statement [Abstract]
Revenue from collaboration agreements
Revenue From Collaborative Arrangement Excluding Revenue From Contract With Customer
Operating expenses:
Operating Expenses [Abstract]
Research and development
Research And Development Expense
General and administrative
General And Administrative Expense
Total operating expenses
Operating Expenses
Operating loss
Operating Income Loss
Other (expense) income
Nonoperating Income Expense [Abstract]
Change in fair value of warrant liability—related party
Fair Value Adjustment Of Warrants
Interest expense and amortization of long-term debt—related party
Interest Expense And Amortization Of Long Term Debt Related Party
Interest and other income, net
Interest And Other Income
Total other (expense) income
Nonoperating Income Expense
Loss before income taxes
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
Income tax benefit (expense)
Income Tax Expense Benefit
Net loss
Net Income Loss
Unrealized gain on marketable securities
Marketable Securities Unrealized Gain Loss
Comprehensive loss
Comprehensive Income Net Of Tax
Reconciliation of net loss to net loss attributable to common stockholders:
Net Income Loss [Abstract]
Net loss
Accrual of preferred stock dividends
Preferred Stock Dividends Income Statement Impact
Net loss attributable to common stockholders—basic and diluted
Net Income Loss Available To Common Stockholders Basic And Diluted
Net loss per share attributable to common stockholders—basic and diluted
Earnings Per Share Basic And Diluted
Weighted-average common stock outstanding—basic and diluted
Weighted Average Number Of Share Outstanding Basic And Diluted
Adjustments to additional paid in capital share based compensation requisite service period recognition, shares.
Issuance of convertible preferred stock shares.
Issuance of convertible preferred stock value.
Adjustments to additional paid in capital reclassification of warrant liability to equity.
Vested stock option settlement.
Statement Of Stockholders Equity [Abstract]
Statement [Table]
Statement [Table]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Redeemable Convertible Preferred Stock
Redeemable Convertible Preferred Stock [Member]
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 Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income [Member]
Accumulated Deficit
Retained Earnings [Member]
Statement [Line Items]
Statement [Line Items]
Beginning balance
Redeemable convertible preferred stock, Beginning balance, Shares
Temporary Equity Shares Outstanding
Redeemable convertible preferred stock, Beginning balance
Beginning balance, Shares
Shares Outstanding
Issuance of Series B redeemable convertible preferred stock, net of issuance costs of $4.5 million
Issuance Of Convertible Preferred Stock Value
Issuance of Series B redeemable convertible preferred stock, net of issuance costs of $4.5 million, Shares
Issuance Of Convertible Preferred Stock Shares
Conversion of redeemable convertible preferred stock to common stock upon closing of initial public offering
Stock Issued During Period Value Conversion Of Convertible Securities
Conversion of redeemable convertible preferred stock to common stock upon closing of initial public offering, Shares
Stock Issued During Period Shares Conversion Of Convertible Securities
Reclassification of warrant liability to equity
Adjustments To Additional Paid In Capital Reclassification Of Warrant Liability To Equity
Issuance of common stock upon closing of initial public offering, net of issuance costs of $18.6 million
Stock Issued During Period Value New Issues
Issuance of common stock upon closing of initial public offering, net of issuance costs of $18.6 million, Shares
Stock Issued During Period Shares New Issues
Exercise of stock options
Stock Issued During Period Value Stock Options Exercised
Exercise of stock options, Shares
Stock Issued During Period Shares Stock Options Exercised
Stock-based compensation
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Stock-based compensation, Shares
Adjustments To Additional Paid In Capital Share Based Compensation Requisite Service Period Recognition Shares
Repurchase of common stock
Stock Repurchased During Period Value
Repurchase of common stock, Shares
Stock Repurchased During Period Shares
Vested Stock Option Settlement
Vested Stock Option Settlement
Unrealized gain on investments
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
Ending balance
Redeemable convertible preferred stock, Ending balance, Shares
Redeemable convertible preferred stock, Ending balance
Ending balance, Shares
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]
Series B redeemable convertible preferred stock.
Series B Redeemable Convertible Preferred Stock
Series B Redeemable Convertible Preferred Stock [Member]
Issuance costs
Adjustments To Additional Paid In Capital Stock Issued Issuance Costs
Increase decrease in operating lease liability.
Proceeds from Issuance of Long-term debt and warrant.
Payments for vested stock option settlement.
Statement Of Cash Flows [Abstract]
Cash flows used in operating activities:
Net Cash Provided By Used In Operating Activities [Abstract]
Net loss
Profit Loss
Adjustments to reconcile net loss to cash (used in) provided by operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Depreciation and amortization
Depreciation And Amortization
Stock-based compensation expense
Share Based Compensation
Gain on disposal of fixed assets
Gain Loss On Disposition Of Assets
Accretion of (premium) discount on investments
Accretion Amortization Of Discounts And Premiums Investments
Reduction in carrying amount of right-of-use assets
Operating Lease Right Of Use Asset Amortization Expense
Amortization of debt discount
Amortization Of Debt Discount Premium
Change in fair value of warrant liability
Changes in operating assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Accounts receivable
Increase Decrease In Accounts Receivable
Prepaid expenses and other current assets
Increase Decrease In Prepaid Deferred Expense And Other Assets
Accounts payable
Increase Decrease In Accounts Payable
Accrued expenses and other liabilities
Increase Decrease In Accrued Liabilities And Other Operating Liabilities
Operating lease liability
Increase Decrease In Operating Lease Liability
Deferred revenue
Increase Decrease In Deferred Revenue
Net cash (used in) provided by operating activities
Net Cash Provided By Used In Operating Activities
Cash flows used in investing activities:
Net Cash Provided By Used In Investing Activities [Abstract]
Proceeds received from maturities of marketable securities
Proceeds From Sale And Maturity Of Marketable Securities
Purchase of marketable securities
Payments To Acquire Marketable Securities
Purchases of property and equipment
Payments To Acquire Property Plant And Equipment
Proceeds from sale of property and equipment
Proceeds From Sale Of Property Plant And Equipment
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Cash flows provided by financing activities:
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from issuance of Series B shares, net of issuance costs of $4.5 million
Proceeds From Issuance Of Convertible Preferred Stock
Proceeds from long-term debt and warrant, net of issuance costs of $0.5 million
Proceeds From Issuance Of Long Term Debt And Warrant
Proceeds from initial public offering, net of underwriting discount of $14.7 million
Proceeds From Issuance Initial Public Offering
Payment of initial public offering costs
Payments For Repurchase Of Initial Public Offering
Proceeds from exercises of stock options
Proceeds From Stock Options Exercised
Repurchase of common stock
Payments For Repurchase Of Common Stock
Vested stock option settlement
Payments For Vested Stock Option Settlement
Net cash provided by financing activities
Net Cash Provided By Used In Financing Activities
Net change 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
Cash, cash equivalents and restricted cash at end of period
Reconciliation of cash, cash equivalents and restricted cash:
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]
Less: restricted cash
Restricted Cash And Cash Equivalents
Cash and cash equivalents at end of the year
Stock issuance costs
Payments Of Stock Issuance Costs
Long-term debt and warrant, net of issuance costs
Payments Of Debt Issuance Costs
Underwriting discount
Payments For Underwriting Expense
Reclassification of warrant liability to equity.
Initial public offering costs in accounts payable and accrued expenses.
Stock option repurchases included in accrued expenses.
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash paid for interest
Interest Paid Net
Cash paid for taxes
Income Taxes Paid
Supplemental disclosures of non-cash investing and financing activities:
Noncash Investing And Financing Items [Abstract]
Conversion of redeemable convertible preferred stock to common stock upon closing of the initial public offering
Conversion Of Stock Amount Converted1
Reclassification of warrant liability to equity
Reclassification Of Warrant Liability To Equity
Initial public offering costs in accounts payable and accrued expenses
Initial Public Offering Costs In Accounts Payable And Accrued Expenses
Capital expenditures in accounts payable
Capital Expenditures Incurred But Not Yet Paid
Stock option repurchases included in accrued expenses
Stock Option Repurchases Included In Accrued Expenses
Documents Incorporated by Reference
Documents Incorporated By Reference [Text Block]
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Nature of the Business and Basis of Presentation
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]
Marketable Securities [Abstract]
Marketable Securities
Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block]
Property Plant And Equipment [Abstract]
Property and Equipment
Property Plant And Equipment Disclosure [Text Block]
Leases [Abstract]
Leases
Lessee Operating Leases [Text Block]
Payables And Accruals [Abstract]
Accrued Expenses and Other Current Liabilities
Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block]
Collaboration and license agreements.
Collaboration And License Agreements [Abstract]
Collaboration and License Agreements
Collaborative Arrangement Disclosure [Text Block]
Long-term debt and warrant liability.
Long-term debt and warrant liability abstract.
Long Term Debt And Warrant Liability [Abstract]
Long-term Debt and Warrant Liability
Long Term Debt And Warrant Liability [Text Block]
Equity [Abstract]
Stockholder’s Equity
Stockholders Equity Note Disclosure [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-based Compensation
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Earnings Per Share [Abstract]
Loss Per Share
Earnings Per Share [Text Block]
Compensation And Retirement Disclosure [Abstract]
Defined Contribution Plan
Defined Benefit Plan [Text Block]
Basis of Presentation
Basis Of Accounting Policy Policy [Text Block]
Principles of Consolidation
Consolidation Policy [Text Block]
Emerging Growth Company.
Emerging Growth Company
Emerging Growth Company Policy Policy [Text Block]
Use of Estimates
Use Of Estimates
Segments
Segment Reporting Policy Policy [Text Block]
Cash and Cash Equivalents
Cash And Cash Equivalents Policy [Text Block]
Marketable Securities
Marketable Securities Policy
Restricted Cash
Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy
Concentrations of Credit Risk
Concentration Risk Credit Risk
Fair Value of Financial Instruments
Fair Value Of Financial Instruments Policy
Property and Equipment
Property Plant And Equipment Policy [Text Block]
Leases
Lessee Leases Policy [Text Block]
Impairment of Long-Lived Assets
Impairment Or Disposal Of Long Lived Assets Policy [Text Block]
Commitments and Contingencies
Commitments And Contingencies Policy [Text Block]
Revenue Recognition
Revenue Recognition Sales Of Services
Research and Development
Research And Development Expense Policy
Stock-Based Compensation
Compensation Related Costs Policy [Text Block]
Warrant Liability Expense
Future Policy Benefits Liability Policy
Income Taxes
Income Tax Policy [Text Block]
Comprehensive Loss
Comprehensive Income Policy Policy [Text Block]
Net Loss Per Share
Earnings Per Share Policy [Text Block]
Going concern.
Going Concern
Going Concern Policy [Text Block]
Recently Adopted Accounting Standards
New Accounting Pronouncements Policy Policy [Text Block]
Summary of Depreciation on Equipment Calculated Using Straight-Line Method Over Estimated Useful Lives of Assets
Schedule Of Indefinite Lived Intangible Assets Table [Text Block]
Schedule of Financial Assets Measured at Fair Value on Recurring Basis
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block]
Summary of Assumptions to Determine Fair Value of Warrant
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block]
Summary of Changes in Level 3 Instruments, Redeemable Convertible Preferred Stock Warrant
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]
Summary of Marketable Securities
Marketable Securities [Text Block]
Summary of Property and Equipment
Property Plant And Equipment [Text Block]
Schedule of depreciation expense.
Summary of Depreciation Expense Related to Property and Equipment
Schedule Of Depreciation Expense Table [Text Block]
Lessee Lease Description [Table]
Lessee Lease Description [Table]
Lease Contractual Term
Lease Contractual Term [Axis]
Lease Contractual Term
Lease Contractual Term [Domain]
Watertown lease.
Watertown Lease
Watertown Lease [Member]
Lessee Lease Description [Line Items]
Lessee Lease Description [Line Items]
Summary of Lease Costs
Lease Cost Table [Text Block]
Undiscounted Minimum Future Lease Payments Under Non-cancelable Leases
Lessee Operating Lease Liability Maturity Table [Text Block]
Summary of Accrued Expenses and Other Current Liabilities
Schedule Of Accrued Liabilities Table [Text Block]
Financial information related to the collaboration and license agreements.
Schedule of Financial Information Related to Collaboration and License Agreements
Financial Information Related To Collaboration And License Agreements Table [Text Block]
Other financial information related to the collaboration and license agreements.
Schedule of Other Financial Information Related to Collaboration and License Agreements
Other Financial Information Related To Collaboration And License Agreements Table [Text Block]
Summary of Anticipated Future Minimum Payments of Long-term Debt
Schedule Of Maturities Of Long Term Debt Table [Text Block]
Schedule of Preferred Stock
Temporary Equity Table [Text Block]
Schedule of Stock-based Compensation Expense
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Summary of Stock Option Activity
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Summary of Significant Assumptions Used in the Black-scholes Pricing Model to Determine the Fair Value of Stock Options Granted
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Summary of Income Tax (Benefit) Expense
Schedule Of Components Of Income Tax Expense Benefit Table [Text Block]
Summary of Reconciliation of Expected Income Tax (Benefit) Expense
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Summary of Significant Components of Deferred Tax Assets and Deferred Tax Liabilities
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Schedule of Computation of Diluted Net Loss Per Share Attributable to Common Stockholders
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block]
Schedule of Basic and Diluted Loss Per Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Schedule Of Stock By Class [Table]
Schedule Of Stock By Class [Table]
Related Party
Related Party Transactions By Related Party [Axis]
Related Party
Related Party [Domain]
Underwriters.
Underwriters for IPO Exercised in full Overallotment Option
Underwriters [Member]
Class of Warrant or Right
Class Of Warrant Or Right [Axis]
Class of Warrant or Right
Class Of Warrant Or Right [Domain]
Warrant exercisable.
Warrant Exercisable
Warrant Exercisable [Member]
Class Of Stock [Line Items]
Class Of Stock [Line Items]
Net loss
Accumulated deficit
Initial public offering closing date.
Net proceeds including exercise in full of underwriters option to purchase additional shares.
Initial public offering closing date
Initial Public Offering Closing Date
Issued shares of common stock
Shares issued price per share
Shares Issued Price Per Share
Outstanding shares of preferred stock automatically converted
Convertible Preferred Stock Shares Issued Upon Conversion
Net proceeds including exercise in full of underwriters option to purchase additional shares
Net Proceeds Including Exercise In Full Of Underwriters Option To Purchase Additional Shares
Expenses
Cash, cash equivalents and marketable securities
Cash Cash Equivalents And Short Term Investments
Reverse stock split
Stockholders Equity Reverse Stock Split
Warrant issued to purchase shares
Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights
Number of warrants converted into shares
Debt Instrument Convertible Number Of Equity Instruments
Number of operating segments
Number Of Operating Segments
Summary of significant accounting policies.
Summary of significant accounting policies.
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Long-Lived Tangible Asset
Property Plant And Equipment By Type [Axis]
Long-Lived Tangible Asset
Property Plant And Equipment Type [Domain]
Laboratory equipment.
Laboratory Equipment
Laboratory Equipment [Member]
Computer Equipment
Computer Equipment [Member]
Office equipment, furniture and fixtures.
Office Equipment, Furniture and Fixtures
Office Equipment Furniture And Fixtures [Member]
Leasehold Improvements
Leasehold Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life
Property Plant And Equipment Useful Life
Property, plant and equipment, useful life
Property Plant And Equipment Estimated Useful Lives
Impairment of long-lived assets to be disposed of
Impairment Of Long Lived Assets To Be Disposed Of
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Hierarchy and NAV
Fair Value By Fair Value Hierarchy Level [Axis]
Fair Value Hierarchy and NAV
Fair Value Measurements Fair Value Hierarchy [Domain]
Level 1
Fair Value Inputs Level1 [Member]
Level 2
Fair Value Inputs Level2 [Member]
Level 3
Fair Value Inputs Level3 [Member]
Cash and Cash Equivalents
Cash And Cash Equivalents [Axis]
Cash and Cash Equivalents
Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member]
Money Market Funds
Money Market Funds [Member]
U.S. Treasury Securities
U S Treasury Securities [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]
Assets
Assets Fair Value Disclosure [Abstract]
Cash equivalents
Cash And Cash Equivalents [Abstract]
Money market funds
Cash And Cash Equivalents Fair Value Disclosure
Marketable securities
U.S. Treasury securities
Investments Fair Value Disclosure
Total assets
Assets Fair Value Disclosure
Fair Value Inputs Quantitative Information [Abstract]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Measurement Input Type
Measurement Input Type [Axis]
Measurement Input Type
Measurement Input Type [Domain]
Volatility
Measurement Input Price Volatility [Member]
Risk-free Interest Rate
Measurement Input Risk Free Interest Rate [Member]
Dividend Yield
Measurement Input Expected Dividend Rate [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Stock price
Share Price
Exercise price
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1
Expected term (in years)
Warrants And Rights Outstanding Term
Measurement input
Warrants And Rights Outstanding Measurement Input
Fair value measurement with unobservable inputs reconciliation recurring basis liability reclassification to equity.
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Abstract]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Redeemable convertible preferred stock warrant.
Redeemable Convertible Preferred Stock Warrant
Redeemable Convertible Preferred Stock Warrant [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Balance at December 31, 2019
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value
Issuance of warrant
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues
Change in fair value
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease
Reclassification to equity
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Reclassification To Equity
Balance at December 31, 2020
Number of warrants exercised.
Number of warrants exercised
Number Of Warrants Exercised
Fair value assets level 1 to level 3 transfers amount.
Fair value assets level 3 to level 1 transfers amount.
Fair value liabilities level 1 to level 3 transfers amount.
Fair value liabilities level 3 to level 1 transfers amount.
Fair value assets level 2 to level 3 transfers amount.
Fair value assets level 3 to level 2 transfers amount.
Fair value liabilities level 2 to level 3 transfers amount.
Fair value liabilities level 3 to level 2 transfers amount.
Fair value, assets, level 1 to level 2 transfers, amount
Fair Value Assets Level1 To Level2 Transfers Amount
Fair value, assets, level 2 to level 1 transfers, amount
Fair Value Assets Level2 To Level1 Transfers Amount
Fair value, liabilities, level 1 to level 2 transfers, amount
Fair Value Liabilities Level1 To Level2 Transfers Amount
Fair value, liabilities, level 2 to level 1 transfers, amount
Fair Value Liabilities Level2 To Level1 Transfers Amount
Fair value, assets, level 1 to level 3 transfers, amount
Fair Value Assets Level1 To Level3 Transfers Amount
Fair value, assets, level 3 to level 1 transfers, amount
Fair Value Assets Level3 To Level1 Transfers Amount
Fair value, liabilities, level 1 to level 3 transfers, amount
Fair Value Liabilities Level1 To Level3 Transfers Amount
Fair value, liabilities, level 3 to level 1 transfers, amount
Fair Value Liabilities Level3 To Level1 Transfers Amount
Fair value, assets, level 2 to level 3 transfers, amount
Fair Value Assets Level2 To Level3 Transfers Amount
Fair value, assets, level 3 to level 2 transfers, amount
Fair Value Assets Level3 To Level2 Transfers Amount
Fair value, liabilities, level 2 to level 3 transfers, amount
Fair Value Liabilities Level2 To Level3 Transfers Amount
Fair value, liabilities, level 3 to level 2 transfers, amount
Fair Value Liabilities Level3 To Level2 Transfers Amount
Schedule Of Available For Sale Securities [Table]
Schedule Of Available For Sale Securities [Table]
Investment Type
Investment Type [Axis]
Investments
Investment Type Categorization [Member]
Schedule Of Available For Sale Securities [Line Items]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost
Available For Sale Debt Securities Amortized Cost Basis
Gross Unrealized Gains
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
Gross Unrealized Loss
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
Fair Value
Available For Sale Securities Debt Securities
Contractual maturity dates of marketable securities.
Other-than-temporary impairment losses
Impairment Of Investments
Contractual maturity dates of marketable securities
Contractual Maturity Dates Of Marketable Securities
Marketable securities
Marketable Securities
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Laboratory Equipment
Computer Equipment
Furniture and Fixtures
Furniture And Fixtures [Member]
Office Equipment
Office Equipment [Member]
Leasehold Improvements
Leaseholds And Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property Plant And Equipment [Line Items]
Property and equipment, gross
Property Plant And Equipment Gross
Less: accumulated depreciation
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property and equipment, net
Depreciation expense
Depreciation
Lessee operating lease commencement date.
Rent commencing date.
Lease collateral amount.
Balance Sheet Location
Balance Sheet Location [Axis]
Balance Sheet Location
Balance Sheet Location [Domain]
Restricted cash.
Restricted Cash
Restricted Cash [Member]
Office and laboratory space.
Office and Laboratory Space
Office And Laboratory Space [Member]
Lease commencement date
Lessee Operating Lease Commencement Date
Lessee operating lease, description
Lessee Operating Lease Description
Rent commencing date
Rent Commencing Date
Lease collateral amount
Lease Collateral Amount
Right-of-use assets
Liabilities under lease
Operating Lease Liability
Construction costs
Construction Payable Current
Other information.
Lease costs.
Lease costs table.
Lease Costs [Table]
Lease Costs [Table]
Lease Costs [Line Items]
Lease Costs [Line Items]
Lease cost:
Lease Cost [Abstract]
Operating lease cost
Operating Lease Cost
Variable lease cost
Variable Lease Cost
Total lease cost
Lease Cost
Other information:
Other Information [Abstract]
Operating cash flows for operating liabilities
Operating Lease Payments
Remaining lease term
Operating Lease Weighted Average Remaining Lease Term1
Discount rate
Operating Lease Weighted Average Discount Rate Percent
Operating Lease Liabilities Payments Due [Abstract]
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
Thereafter
Lessee Operating Lease Liability Payments Due After Year Five
Total undiscounted lease payments
Lessee Operating Lease Liability Payments Due
Less: imputed interest
Lessee Operating Lease Liability Undiscounted Excess Amount
Total operating lease liability at December 31, 2020
Accrued research and development, current.
Accrued research and development
Accrued Research And Development Current
Accrued compensation and benefits
Accrued Employee Benefits Current
Accrued professional fees
Accrued Professional Fees Current
Other
Other Liabilities Current
Total accrued expenses and other current liabilities
Collaboration revenue.
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]
Roche agreement.
Roche Agreement
Roche Agreement [Member]
Biogen license agreement
Biogen License Agreement
Biogen License Agreement [Member]
Calico license agreement.
Calico License Agreement
Calico License Agreement [Member]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Accounts Receivable
Receivables Net Current
Collaboration Revenue
Collaboration Revenue
Deferred Revenue, Current
Deferred Revenue, Net of Current
Deferred Revenue, Total
Deferred Revenue
Transaction price allocated to performance obligation.
Revenue recognized that was included in the contract liability at the beginning of the period
Contract With Customer Liability Revenue Recognized
Revenue recognized from performance obligations fully or partially satisfied in previous periods
Contract With Customer Performance Obligation Satisfied In Previous Period
Aggregate amount of the transaction price allocated to the performance obligations that are partially or fully unsatisfied as of the end of the reporting period
Transaction Price Allocated To Performance Obligation
Nonrefundable upfront payment and additional fees.
Original Roche agreement.
Original Roche Agreement
Original Roche Agreement [Member]
Counterparty Name
Counterparty Name [Axis]
Counterparty Name
Repurchase Agreement Counterparty Name [Domain]
Joint research committee.
Roche JRC
Joint Research Committee [Member]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
Research and development license.
Research and Development License
Research And Development License [Member]
Lead series identification achievement.
Lead Series Identification Achievement
Lead Series Identification Achievement [Member]
Good laboratory practice (“GLP”) toxicology (“Tox”) study phase.
Good Laboratory Practice (“GLP”) Toxicology (“Tox”) Study Phase
Good Laboratory Practice Glp Toxicology Tox Study Phase [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Research and Development Arrangement, Contract to Perform for Others, Type
Research And Development Arrangement Contract To Perform For Others By Type [Axis]
Research and Development Arrangement, Contract to Perform for Others, Type
Research And Development Arrangement Contract To Perform For Others Type [Domain]
Research, development and commercial milestone payments.
Research, Development and Commercial Milestone Payments
Research Development And Commercial Milestone Payments [Member]
One-time sales-based payments.
One-Time Sales-Based Payments
One Time Sales Based Payments [Member]
Progressed up to phase 1 or through GLP Tox studies.
Progressed Through Clinical Trials
Progressed Up To Phase1 Or Through G L P Tox Studies [Member]
Roche agreement accounting.
Roche Agreement Accounting
Roche Agreement Accounting [Member]
Option to license.
Option to License
Option To License [Member]
Option to initiate research plan.
Option to Initiate Research Plan
Option To Initiate Research Plan [Member]
Research services performance obligations.
Research Services Performance Obligations
Research Services Performance Obligations [Member]
Commercial license for six targets.
Commercial License for Six Targets
Commercial License For Six Targets [Member]
Research services for the uninitiated three targets.
Research Services for Uninitiated Three Targets
Research Services For Uninitiated Three Targets [Member]
Target two.
Target Two
Target Two [Member]
Targets one to three.
Targets 1-3
Targets One To Three [Member]
Targets three.
Targets 3
Targets Three [Member]
Targets four to six.
Targets 4-6
Targets Four To Six [Member]
Research and development milestones.
Research And Development Milestones
Research And Development Milestones [Member]
Potential research, development and commercial milestone payments.
Potential Research, Development and Commercial Milestone Payments
Potential Research Development And Commercial Milestone Payments [Member]
Nonrefundable upfront payment and additional fees
Nonrefundable Upfront Payment And Additional Fees
Number of potential targets.
Number of target nominated.
Number of target not nominated.
Upfront fees.
Number of potential targets
Number Of Potential Targets
Number of target nominated as of the execution of the Restated Roche Agreement
Number Of Target Nominated
Number of target not nominated as of the execution of the Restated Roche Agreement
Number Of Target Not Nominated
Upfront fees
Upfront Fees
Amount eligible to receive
Contracts Receivable Claims And Uncertain Amounts
Additional upfront consideration.
Additional upfront consideration received
Additional Upfront Consideration
Annual research plan payments receivables.
Annual research plan payments receivables
Annual Research Plan Payments Receivables
Option exercise fee.
Option exercise fees
Option Exercise Fee
Collaboration description.
Collaboration description
Collaboration Description
Upfront payment.
Expected research plan funding payments.
Upfront payment
Upfront Payment
Expected research plan funding payments
Expected Research Plan Funding Payments
Remaining deferred revenue
Contract With Customer Liability
Number of initial targets.
Number of additional targets.
Number of targets.
Number of exchanges.
Number of initial targets
Number Of Initial Targets
Number of additional targets
Number Of Additional Targets
Number of targets
Number Of Targets
Number of exchanges
Number Of Exchanges
Number of material rights.
Number of additional targets deferred.
Number of material rights
Number Of Material Rights
Number of additional targets
Number Of Additional Targets Deferred
Number of performance obligation.
Number of performance obligation
Number Of Performance Obligation
Amount of expected research plan funding payments of per active target per year.
Amount of expected research plan funding payments of per target.
Milestone payment received.
Amount of expected research plan funding payments of per active target per year
Amount Of Expected Research Plan Funding Payments Of Per Active Target Per Year
Amount of expected research plan funding payments of per target
Amount Of Expected Research Plan Funding Payments Of Per Target
Milestone payment received
Milestone Payment Received
Transaction price allocated to performance obligations
Revenue Remaining Performance Obligation
Agreement date.
Number of targeted protein degradation.
Additional payment on extension of contract.
Additional targets for development.
Research and development agreement period.
Agreement date
Agreement Date
Number of targeted protein degradation
Number Of Targeted Protein Degradation
Research agreement, period
Research And Development Agreement Period
Additional payment on extension of contract
Additional Payment On Extension Of Contract
Additional targets for development
Additional Targets For Development
Non refundable upfront payment.
Nonrefundable upfront payment
Non Refundable Upfront Payment
Payment received
Proceeds From Collaborators
Notice period for termination of agreement.
Written notice period for termination of agreement
Notice Period For Termination Of Agreement
Revenue recognized
Revenue From Contract With Customer Excluding Assessed Tax
Research term.
Research term
Research Term
Number of target proteins.
Number of target proteins
Number Of Target Proteins
Annual payments.
Annual Payments
Annual Payments
Cash consideration received for milestone revenue.
Additional consideration received in cash for target initiation fees.
Accounts receivable for additional target initiation fees.
Cash consideration received for milestone revenue
Cash Consideration Received For Milestone Revenue
Additional consideration received in cash for target initiation fees
Additional Consideration Received In Cash For Target Initiation Fees
Accounts receivable for additional target initiation fees
Accounts Receivable For Additional Target Initiation Fees
Contractual term.
Contractual term
Contractual Term
Cash balance to be maintained in bank account while debt is outstanding.
Long-term debt and warrant liability line items.
Long-term debt and warrant liability table.
Long Term Debt And Warrant Liability [Table]
Long Term Debt And Warrant Liability [Table]
Credit Facility
Credit Facility [Axis]
Credit Facility
Credit Facility [Domain]
Credit agreement with Perceptive Life Sciences Master Fund LTD.
Credit Agreement with Perceptive Life Sciences Master Fund LTD
Credit Agreement With Perceptive Life Sciences Master Fund L T D [Member]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Term loan.
Term Loan
Term Loan [Member]
Long-term Debt, Type
Longterm Debt Type [Axis]
Long-term Debt, Type
Longterm Debt Type [Domain]
Tranche one.
Tranche One
Tranche One [Member]
Tranche two.
Tranche Two
Tranche Two [Member]
Series B Preferred Stock
Series B Preferred Stock [Member]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Other income expenses.
Other Income (Expense)
Other Income Expense [Member]
Long Term Debt And Warrant Liability [Line Items]
Long Term Debt And Warrant Liability [Line Items]
Aggregate principal amount
Debt Instrument Face Amount
Amount withdrawn
Line Of Credit
Description of Variable Rate Basis
Debt Instrument Description Of Variable Rate Basis
Applicable margin rate
Debt Instrument Basis Spread On Variable Rate1
Balance to be maintained in bank account while debt is outstanding
Cash Balance To Be Maintained In Bank Account While Debt Is Outstanding
Date until which interest only payments are made.
Debt instrument. percentage of principal payment until maturity.
Date until which interest only payments are made
Date Until Which Interest Only Payments Are Made
Maturity date
Debt Instrument Maturity Date
Percentage of principal payments until maturity
Debt Instrument Percentage Of Principal Payment Until Maturity
Prepayment fee
Payments Of Debt Extinguishment Costs
Issuance cost in connection with entry into Credit Agreement
Debt Related Commitment Fees And Debt Issuance Costs
Exercise price per share
Stock split conversion ratio
Stockholders Equity Note Stock Split Conversion Ratio1
Outstanding long term debt
Debt Instrument Carrying Amount
Long term debt
Long Term Debt
Expiration date
Line Of Credit Facility Expiration Date1
Long Term Debt By Maturity [Abstract]
2021
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
2022
Long Term Debt Maturities Repayments Of Principal In Year Two
2023
Long Term Debt Maturities Repayments Of Principal In Year Three
2024
Long Term Debt Maturities Repayments Of Principal In Year Four
Total minimum long-term debt payments
Less: Unamortized debt issuance costs, and debt discount related to warrant
Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
Carrying value of long-term debt—related party at December 31, 2020
Stockholders equity.
Stockholders equity.
Stockholders Equity [Table]
Stockholders Equity [Table]
Series seed redeemable convertible preferred stock.
Series Seed Preferred Stock
Series Seed Redeemable Convertible Preferred Stock [Member]
Series A redeemable convertible preferred stock.
Series A Preferred Stock
Series A Redeemable Convertible Preferred Stock [Member]
Series B Convertible Preferred Stock
Stockholders Equity [Line Items]
Stockholders Equity [Line Items]
Redeemable convertible preferred stock, par value per share
Temporary Equity Par Or Stated Value Per Share
Common stock voting right
Common Stock Voting Rights
Proceeds from issuance of convertible preferred stock
Redeemable convertible preferred stock, shares issued
Temporary Equity Shares Issued
Number of preferred stock converted in to one common stock.
Outstanding shares of preferred stock converted
Number of preferred stock converted in to one common stock
Number Of Preferred Stock Converted In To One Common Stock
Preferred stock, outstanding
Compensation Related Costs [Abstract]
Series Seed Preferred Stock
Series A Preferred Stock
FF preferred stock.
FF Preferred Stock
F F Preferred Stock [Member]
Preferred Stock Authorized
Temporary Equity Shares Authorized
Preferred Stock Issued
Preferred Stock Outstanding
Carrying Value
Liquidation Value
Temporary Equity Liquidation Preference
Common Stock Issuable Upon Conversion
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
2015 incentive stock option and grant plan.
2015 Incentive Stock Option and Grant Plan
Two Thousand Fifteen Incentive Stock Option And Grant Plan [Member]
2020 stock option and incentive plan.
2020 Stock Option and Incentive Plan
Two Thousand And Twenty Stock Option And Incentive Plan [Member]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
2020 employee stock purchase plan.
2020 Employee Stock Purchase Plan
Two Thousand Twenty Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation, common stock shares reserved for issuance
Common Stock Capital Shares Reserved For Future Issuance
Stock-based compensation, options vesting period
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
Stock-based compensation, options vesting description
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights
Contractual life of options from the date of grant
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
Stock-based compensation, common stock shares available for issuance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Percentage of outstanding shares of common stock.
Percentage of outstanding shares of common stock
Percentage Of Outstanding Shares Of Common Stock
Stock-based compensation, common stock shares authorized
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]
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
Allocated Share Based Compensation Expense
Number of options, Outstanding as of December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Number of options, Granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Number of options, Exercised
Number of options, Forfeited/expired
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
Number of options, Outstanding as of December 31, 2020
Number of options, Exercisable as of December 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
Number of options, Vested and expected to vest as of December 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
Weighted-average exercise price, Outstanding as of December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Weighted-average exercise price, Granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Weighted-average exercise price, Exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Weighted-average exercise price, Forfeited/expired
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Weighted-average exercise price, Outstanding as of December 31, 2020
Weighted-average exercise price, Exercisable as of December 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
Weighted-average exercise price, Vested and expected to vest as of December 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
Weighted average remaining contractual term (in years), Options outstanding
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Weighted average remaining contractual term (in years), Options exercisable
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
Weighted average remaining contractual term (in years), Vested and expected to vest
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
Aggregate intrinsic value, Outstanding as of December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Aggregate intrinsic value, Outstanding as of December 31, 2020
Aggregate intrinsic value, Exercisable as of December 31, 2020
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
Aggregate intrinsic value, Vested and expected to vest as of December 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value
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
Intrinsic value of options exercised (in thousands)
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
Unrecognized compensation costs
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
Expected to be recognized over a weighted average period
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Expected option life (years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Risk-free interest rate, Minimum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
Risk-free interest rate, Maximum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
Expected volatility, Minimum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
Expected volatility, Maximum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
Expected dividend yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Stock-based compensation, common stock shares outstanding
Maximum authorized payroll deduction percentage of eligible compensation for eligible employees.
Maximum authorized payroll deduction percentage of eligible compensation for eligible employees
Maximum Authorized Payroll Deduction Percentage Of Eligible Compensation For Eligible Employees
Shares issued under employee stock purchase plan
Stock Issued During Period Shares Employee Stock Purchase Plans
Payments for relinquishment of right to purchase common stock upon exercise of stock options.
Payments for repurchase of common stock
Payments for relinquishment of right to purchase common stock upon exercise of stock options
Payments For Relinquishment Of Right To Purchase Common Stock Upon Exercise Of Stock Options
Current tax provision:
Current Income Tax Expense Benefit Continuing Operations [Abstract]
Current federal provision
Current Federal Tax Expense Benefit
Current state provision
Current State And Local Tax Expense Benefit
Total current provision
Current Income Tax Expense Benefit
Deferred tax provision:
Deferred Income Tax Expense Benefit Continuing Operations [Abstract]
Deferred federal provision
Deferred Federal Income Tax Expense Benefit
Deferred state provision
Deferred State And Local Income Tax Expense Benefit
Total tax provision
Effective income tax rate reconciliation state tax credit.
Effective income tax rate reconciliation federal tax credit.
Effective income tax rate reconciliation net operating loss carryback benefits.
Income tax benefit computed at federal statutory tax rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
Stock-based compensation
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
State tax—net of federal
Effective Income Tax Rate Reconciliation State And Local Income Taxes
State credits
Effective Income Tax Rate Reconciliation State Tax Credit
Federal credits
Effective Income Tax Rate Reconciliation Federal Tax Credit
Valuation allowance
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
Rate change
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
Net operating loss carryback benefits
Effective Income Tax Rate Reconciliation Net Operating Loss Carryback Benefits
Tax attributes true up due to net operating loss carryback
Effective Income Tax Rate Reconciliation Tax Settlements
Other permanent differences
Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
Total
Effective Income Tax Rate Continuing Operations
Deferred tax assets capitalized start-up costs.
Deferred tax assets operating lease liability.
Deferred tax liabilities right-of-use asset.
Deferred tax assets:
Components Of Deferred Tax Assets [Abstract]
Capitalized start-up costs
Deferred Tax Assets Capitalized Start Up Costs
Operating lease liability
Deferred Tax Assets Operating Lease Liability
Stock-based compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
Net operating losses
Deferred Tax Assets Operating Loss Carryforwards
R&D and investment tax credits
Deferred Tax Assets Tax Credit Carryforwards Research
Deferred revenue
Deferred Tax Assets Deferred Income
Other
Deferred Tax Assets Other
Total gross deferred tax assets
Deferred Tax Assets Gross
Deferred tax liabilities:
Components Of Deferred Tax Liabilities [Abstract]
Right-of-use asset
Deferred Tax Liabilities Right Of Use Asset
Fixed assets
Deferred Tax Liabilities Property Plant And Equipment
Unrealized gain/loss
Deferred Tax Liabilities Unrealized Gains On Trading Securities
Less: valuation allowance
Deferred Tax Assets Valuation Allowance
Net deferred taxes
Deferred Tax Assets Liabilities Net
Income tax.
Income tax.
Income Tax [Table]
Income Tax [Table]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Domestic Tax Authority
Domestic Country [Member]
State and Local Jurisdiction
State And Local Jurisdiction [Member]
Tax Credit Carryforward
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name
Tax Credit Carryforward Name [Domain]
Research Tax Credit Carryforward
Research [Member]
Income Tax Authority, Name
Income Tax Authority Name [Axis]
Income Tax Authority, Name
Income Tax Authority Name [Domain]
Internal Revenue Service (IRS)
Internal Revenue Service I R S [Member]
Unusual Risk or Uncertainty, Nature
Unusual Risk Or Uncertainty By Nature [Axis]
Unusual Risk or Uncertainty, Nature
Unusual Risk Or Uncertainty Nature [Domain]
Coronavirus aid relief, and economic security act.
Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”)
Coronavirus Aid Relief And Economic Security Act [Member]
Income Tax [Line Items]
Income Tax [Line Items]
Deferred tax assets, valuation allowance
Net valuation allowance increases
Valuation Allowance Deferred Tax Asset Change In Amount
Federal net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards Domestic
Tax credit carryforward, description
Tax Credit Carryforward Description
Federal net operating loss carryforwards do not expire
Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration
Refund due to anticipated carryback portion of net operating loss
Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority
Percentage of taxable income limitation under TCJA
Tax Cuts And Jobs Act Of2017 Measurement Period Adjustment Increase Decrease In Effective Tax Rate
State net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards State And Local
Tax credit carryforwards
Deferred Tax Assets Tax Credit Carryforwards
Net operating loss and tax credit carryforwards description.
Net operating loss carryforwards limited and expire due to ownership changes.
Net operating loss and tax credit carryforwards description
Net Operating Loss And Tax Credit Carryforwards Description
Net operating loss carryforwards limited and expire due to ownership changes
Net Operating Loss Carryforwards Limited And Expire Due To Ownership Changes
Accrued interest or penalties related to uncertain tax benefits
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
Tax benefit
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]
Options to purchase common stock.
Options to Purchase Common Stock
Options To Purchase Common Stock [Member]
Warrant to purchase common stock.
Warrant to Purchase Common Stock
Warrant To Purchase Common Stock [Member]
Series A Preferred Stock
Series A Preferred Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Stock split conversion ratio
Numerator:
Net Income Loss Available To Common Stockholders Basic [Abstract]
Net loss attributable to common stockholders—basic and diluted
Net Income Loss Available To Common Stockholders Basic
Denominator:
Weighted Average Number Of Shares Outstanding [Abstract]
Net loss per share attributable to common stockholders—basic and diluted
Earnings Per Share Basic
Defined Contribution Plan [Table]
Defined Contribution Plan [Table]
Retirement Plan Type
Retirement Plan Type [Axis]
Retirement Plan Type
Retirement Plan Type [Domain]
401(k) Plan
Pension Plans Defined Benefit [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan Disclosure [Line Items]
Pre-tax compensation of employees
Defined Contribution Plan Maximum Annual Contributions Per Employee Percent
Percentage of employer discretion contribution
Defined Contribution Plan Employer Matching Contribution Percent
Employer discretionary contribution amount
Defined Contribution Plan Employer Discretionary Contribution Amount
Defined benefit plan, contributions by employer
Defined Benefit Plan Contributions By Employer