Entity Address, City or Town
Entity Address, City or Town
Office and Laboratory Space
Office And Laboratory Space [Member]
Office and laboratory space.
Entity Ex Transition Period
Entity Ex Transition Period
Operating lease liability, current portion
Increase Decrease In Operating Lease Liability Current
Increase decrease in operating lease liability current.
Net loss attributable to common shareholders-basic
Net loss attributable to common shareholders
Net Income (Loss) Available to Common Stockholders, Basic
Net Income (Loss) Available to Common Stockholders, Basic, Total
Fair Value Disclosures [Abstract]
Earnings Per Share [Abstract]
Quoted Prices in Active Markets for identical Assets (Level 1)
Fair Value, Inputs, Level 1 [Member]
Aggregate offering price
Issuance of common shares
Stock Issued During Period, Value, New Issues
Cash Flows From Financing Activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Expected dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Amendment Flag
Amendment Flag
Capital Expenditures Incurred but Not yet Paid
Property and equipment purchases incurred but not yet paid
Number of shares authorized to be issued
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Subsequent Event Type
Subsequent Event Type [Domain]
Deferred tax assets
Deferred Income Tax Assets, Net
Deferred Income Tax Assets, Net, Total
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Collaboration term expiration period
Collaboration Term Expiration Period
Collaboration term expiration period.
Document Quarterly Report
Document Quarterly Report
Total accrued expenses and other current liabilities
Accrued Expenses And Other Liabilities Current
Accrued expenses and other liabilities current
Operating lease liability, net of current portion
Increase Decrease In Operating Lease Liability Net
Increase decrease in operating lease liability net.
Milestones payments
Milestones Payments
Milestones payments.
Preferred stock par value
Preferred Stock, No Par Value
Cash and Cash Equivalents
Cash and Cash Equivalents [Domain]
Statement [Table]
Statement [Table]
Operating lease liability, net of current portion
Operating Lease, Liability, Noncurrent
Collaboration and license agreement.
Collaboration and License Agreement
Collaboration And License Agreement [Member]
Operating Lease, Payments
Operating minimum lease payments
Operating cash flows used for operating leases
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Issuance of common shares under the 2020 Employee Share Purchase Plan, Shares
Preferred stock shares outstanding
Preferred Stock, Shares Outstanding
Preferred Stock, Shares Outstanding, Beginning Balance
Preferred Stock, Shares Outstanding, Ending Balance
Shares of common stock reserved for future issuance
Common Stock, Capital Shares Reserved for Future Issuance
Common stock par value
Common Stock, No Par Value
U.S. Treasury Notes
US Treasury Notes Securities [Member]
Deferred revenue
Increase (Decrease) in Deferred Revenue
Income taxes
Increase (Decrease) in Income Taxes
Product and Service
Product and Service [Axis]
Fair value, assets, transfers between levels
Fair Value Assets Transfers Between All Levels
Fair value, assets, transfers between all levels.
Accrued compensation and benefits
Employee-related Liabilities, Current
Employee-related Liabilities, Current, Total
Leases
Lessee, Operating Leases [Text Block]
Stock Options
Share-Based Payment Arrangement, Option [Member]
Operating Lease, Weighted Average Remaining Lease Term
Weighted-average remaining lease term (in years)
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity
Reclassification, Type
Reclassification, Type [Domain]
Organization and Nature of Business [Line Items]
Organization And Nature Of Business [Line Items]
Organization and nature of business.
Plan Name
Plan Name [Domain]
Other
Other Liabilities, Current
Other Liabilities, Current, Total
Office Space
Office Building [Member]
Denominator:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Income Statement [Abstract]
Organization and Nature of Business
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Deferred revenue
Deferred Revenue
Deferred Revenue, Total
Sale of Stock
Sale of Stock [Domain]
Total current liabilities
Liabilities, Current
Issuance of common shares under the 2020 Employee Share Purchase Plan
Stock Issued During Period, Value, Employee Stock Purchase Plan
Fair Value Measurements, Recurring
Fair Value, Recurring [Member]
Short-term lease costs
Short-Term Lease, Cost
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Weighted-average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
Entity Small Business
Entity Small Business
Total cash and cash equivalents and restricted cash
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance
Commercial Milestones
Commercial Milestones [Member]
Commercial milestones.
Collaborative Arrangement and Arrangement Other than Collaborative
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Investments
Investments [Domain]
2020 Equity Incentive Plan
Two Thousand Twenty Equity Incentive Plan [Member]
Two thousand twenty equity incentive plan.
Emerging Growth Company Status
Emerging Growth Company Status Policy [Text Block]
Emerging growth company status.
Total current assets
Assets, Current
Weighted-average common shares outstanding-basic
Weighted Average Number of Shares Outstanding, Basic
Weighted Average Number of Shares Outstanding, Basic, Total
City Area Code
City Area Code
Number of shares, Cancelled or forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Share-Based Payment Arrangement [Abstract]
TOTAL LIABILITIES
Liabilities
Document Period End Date
Document Period End Date
Fair value of stock options
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Amortized Cost
Debt Securities, Available-for-Sale, Amortized Cost
Deferred revenue, net of current portion
Contract with Customer, Liability, Noncurrent
Statistical Measurement
Statistical Measurement [Axis]
Subsequent Event [Line Items]
TOTAL ASSETS
Assets
COVID-19 Pandemic
C O V I D19 Pandemic Policy [Text Block]
COVID19 pandemic.
Net loss per share attributable to common shareholders-diluted
Earnings Per Share, Diluted
Earnings Per Share, Diluted, Total
Numerator:
Net Income (Loss) Available to Common Stockholders, Basic [Abstract]
Computation of Diluted Net Loss Per Share in Attributable to Common Shareholders Indicate to Anti Diluted Effect
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Document Fiscal Period Focus
Document Fiscal Period Focus
Restricted cash
Restricted Cash
Restricted Cash, Total
Preferred shares, no par value per share; unlimited shares authorized as of September 30, 2021 and December 31, 2020, respectively; 0 shares issued and outstanding as of September 30, 2021, and December 31, 2020, respectively
Preferred Stock, Value, Issued
Preferred Stock, Value, Issued, Total
Preferred Stock, Value, Issued, Beginning Balance
Preferred Stock, Value, Issued, Ending Balance
Share-based compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total
Net cash provided by financing activities
Net Cash Provided by (Used in) Financing Activities
Sales Agreement
Sales Agreement [Member]
Sales Agreement [Member]
Statement of Financial Position [Abstract]
Entity File Number
Entity File Number
Scenario [Domain]
Prepaid expenses
Increase (Decrease) in Prepaid Expense
Statement of Cash Flows [Abstract]
Reclassification, Type
Reclassification, Type [Axis]
Geographical
Geographical [Domain]
Statistical Measurement
Statistical Measurement [Domain]
Statement of Stockholders' Equity [Abstract]
Sale of Stock
Sale of Stock [Axis]
Income tax receivable
Income Taxes Receivable
Legal Entity
Legal Entity [Axis]
Summary of Lease Costs
Lease, Cost [Table Text Block]
Accrued expenses and other current liabilities
Increase Decrease In Accrued Expenses And Other Current Liabilities
Increase decrease in accrued expenses and other current liabilities.
Purchase price of shares as percentage of fair market value of common stock on date of purchase
Purchase Price Of Shares As Percentage Of Fair Market Value Of Common Stock On Date Of Purchase
Purchase price of shares as percentage of fair market value of common stock on date of purchase.
Subsequent Events [Abstract]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Aggregate proceeds from exercise of options
Proceeds from exercise of stock options
Proceeds from Stock Options Exercised
Antidilutive Securities
Antidilutive Securities [Axis]
Schedule of Transaction Price Performance Obligations
Collaborative Arrangement and Arrangement Other than Collaborative [Table Text Block]
Deferred revenue recognized
Deferred Revenue, Revenue Recognized
Deferred revenue, current portion
Contract with Customer, Liability, Current
Unrealized gains
Unrealized Gains
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Lessee Lease Description [Line Items]
Lessee, Lease, Description [Line Items]
Subsequent Events
Subsequent Events [Text Block]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Weighted-average common shares outstanding-diluted
Weighted Average Number of Shares Outstanding, Diluted
Weighted Average Number of Shares Outstanding, Diluted, Total
Follow-on offering.
Follow On Offering [Member]
Follow-on Offering
Proceeds from (Repurchase of) Equity, Total
Proceeds from (Repurchase of) Equity
Cash received from purchases under ESPP
General and Administrative
General and Administrative Expense [Member]
Montreal, Quebec
QUEBEC
Unrecognized share-based compensation expense related to unvested stock options
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Current Fiscal Year End Date
Current Fiscal Year End Date
Investment Type
Investment Type [Axis]
Schedule of Accrued Expenses and Other Current Liabilities
Schedule Of Accrued Expenses And Other Current Liabilities Table [Text Block]
Schedule of accrued expenses and other current liabilities.
Options to License Druggable Target Lesions
Option To License Druggable Target Lesions [Member]
Option to license druggable target lesions.
Depreciation expense
Depreciation
Depreciation, Total
Collaboration agreements
Revenue From Collaboration Agreements
Revenue from collaboration agreements.
Cash and cash equivalents and restricted cash at beginning of period
Cash and cash equivalents and restricted cash at end of period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Other assets
Other Assets, Noncurrent
Other Assets, Noncurrent, Total
Entity Address, Address Line One
Entity Address, Address Line One
Deferred revenue, noncurrent
Deferred Revenue, Noncurrent
Deferred Revenue, Noncurrent, Total
Cash and Cash Equivalents and Marketable Securities
Cash, Cash Equivalents, and Marketable Securities [Text Block]
Shares of common stock initially reserved for future issuance
Common Stock Capital Shares Initially Reserved For Future Issuance
Common stock capital shares initially reserved for future issuance.
Supplemental Disclosure Of Cash Flow Information:
Supplemental Cash Flow Information [Abstract]
Proceeds from issuance of common stock under two thousand twenty employee share purchase plan.
Proceeds from Issuance of Common Stock under Two Thousand Twenty Employee Share Purchase Plan
Proceeds from issuance of common stock under the 2020 Employee Share Purchase Plan
Option Plan
Repare Therapeutics Incorporation Option Plan [Member]
Repare Therapeutics Incorporation option plan.
Restricted cash
Restricted Cash, Noncurrent
Income tax recovery (expense)
Income Tax Expense (Benefit)
Income Tax Expense (Benefit), Total
Preferred stock shares issued
Preferred Stock, Shares Issued
Preferred Stock, Shares Issued, Total
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Payments to Acquire Property, Plant, and Equipment, Total
Milestone payments entitled to be received
Revenue, Remaining Performance Obligation, Amount
Research service payments entitled to be received
Preferred stock shares authorized
Preferred Stock, Shares Authorized, Unlimited [Fixed List]
Shares issued
Issuance of common shares, Shares
Stock Issued During Period, Shares, New Issues
Assets
Assets, Fair Value Disclosure [Abstract]
Other receivables
Increase (Decrease) in Other Receivables
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Axis]
Contract with Customer, Liability, Revenue Recognized
Revenue Recognized
Weighted average exercise price, Cancelled or forfeited
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Loss from operations
Operating Income (Loss)
Operating lease, option to extend, description
Lessee, Operating Lease, Option to Extend
Additional paid-in capital
Additional Paid in Capital, Common Stock
Additional Paid in Capital, Common Stock, Beginning Balance
Additional Paid in Capital, Common Stock, Ending Balance
Options to Purchase Common Shares
Options To Purchase Common Shares [Member]
Options to purchase common shares.
Scenario [Axis]
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Accrued professional services
Accrued Professional Fees, Current
Accrued expenses and other current liabilities
Accrued Liabilities and Other Liabilities
Accrued Liabilities and Other Liabilities, Total
Entity Filer Category
Entity Filer Category
Purchase of marketable securities
Payments to Acquire Marketable Securities
Payments to Acquire Marketable Securities, Total
Proceeds from maturities of marketable securities
Proceeds from Sale and Maturity of Marketable Securities
Proceeds from Sale and Maturity of Marketable Securities, Total
Annual increases in number of shares available for issuance maximum number of common stock issued
Annual Increase In Number Of Shares Available For Issuance Maximum Number Of Common Stock Issued
Annual increase in number of shares available for issuance maximum number of common stock issued.
Reclassification Adjustment
Reclassification Adjustment [Member]
Reclassification, adjustment.
Total operating expenses
Operating Expenses
Entity Current Reporting Status
Entity Current Reporting Status
New Lease Agreement
New Lease Agreement [Member]
New lease agreement.
Asset Class
Asset Class [Domain]
Research, Development and Regulatory Milestones
Research Development And Regulatory Milestones [Member]
Research development and regulatory milestones.
Reconciliation Of Cash And Cash Equivalents And Restricted Cash
Restricted Cash and Cash Equivalents [Abstract]
Total shareholders’ equity
Balance
Balance
Stockholders' Equity Attributable to Parent
Interest income
Investment Income, Net
Investment Income, Net, Total
Asset Class
Asset Class [Axis]
Summary of Cash and Cash Equivalents and Marketable Securities
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
Entity Tax Identification Number
Entity Tax Identification Number
Income Statement Location
Income Statement Location [Axis]
Common Stock, Value, Issued
Common Stock, Value, Issued, Total
Common Stock, Value, Issued, Beginning Balance
Common Stock, Value, Issued, Ending Balance
Common shares, no par value per share; unlimited shares authorized as of September 30, 2021 and December 31, 2020; 37,133,938 and 36,902,924 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit), Beginning Balance
Retained Earnings (Accumulated Deficit), Ending Balance
Equity Components
Equity Components [Axis]
Research and development tax credits receivable
Research And Development Tax Credits Receivable
Research and development tax credits receivable.
Prepaid expenses
Prepaid Expense, Current
Prepaid Expense, Current, Total
Prepaid expenses and other current assets
Leases [Abstract]
Transaction price
Non-refundable upfront payment received
Contract with Customer, Liability
Contract with Customer, Liability, Total
Entity Emerging Growth Company
Entity Emerging Growth Company
Operating expenses:
Operating Expenses [Abstract]
Expected terms (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Debt Securities Available For Sale [Table]
Debt Securities, Available-for-Sale [Table]
Document Transition Report
Document Transition Report
Assets, Fair Value Disclosure, Total
Total financial assets
Assets, Fair Value Disclosure
Total other income (expense), net
Nonoperating Income (Expense)
Accrued Expenses and Other Current Liabilities
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
Net loss and comprehensive loss
Net loss and comprehensive loss
Net Income Loss And Comprehensive Income Loss
Net income loss and comprehensive income loss.
Collaboration and License Agreement
Collaborative Arrangement Disclosure [Text Block]
Options, 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
Effect of exchange rate fluctuations on cash held
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations
Deferred tax
Increase (Decrease) in Deferred Income Taxes
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Operating lease liability, current portion
Operating Lease, Liability, Current
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Collaborative Arrangement and Arrangement Other than Collaborative
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Number of operating leases
Number Of Operating Leases
Number of operating leases.
Entity Registrant Name
Entity Registrant Name
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalents, at Carrying Value, Beginning Balance
Cash and Cash Equivalents, at Carrying Value, Ending Balance
Net Loss per Share
Earnings Per Share [Text Block]
Schedule of Fair Value of Stock Options Determined on Grant Date Using Black Scholes Option-Pricing Model
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Lessee Lease Description [Table]
Lessee, Lease, Description [Table]
Share-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Share-based Payment Arrangement, Noncash Expense, Total
Property and equipment, net
Property, Plant and Equipment, Net
Property, Plant and Equipment, Net, Total
Property, Plant and Equipment, Net, Beginning Balance
Property, Plant and Equipment, Net, Ending Balance
Award Type
Award Type [Domain]
Statement [Line Items]
Statement [Line Items]
Title of 12(b) Security
Title of 12(b) Security
Accounts payable
Increase (Decrease) in Accounts Payable
Increase (Decrease) in Accounts Payable, Total
Common Shares
Common Stock [Member]
Common Stock Member
Cash Flows From Operating Activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Equity Component
Equity Component [Domain]
Loss before income taxes
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Entity Address, State or Province
Entity Address, State or Province
Geographical
Geographical [Axis]
Net Decrease In Cash And Cash Equivalents And Restricted Cash
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Document Type
Document Type
Initial nonrefundable upfront fee received
Proceeds from Collaborators
Accrued research and development expense
Accrued Research And Development Expense Current
Accrued research and development expense current.
Entity Shell Company
Entity Shell Company
Number of shares ceased granting
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Ceased Granting
Share based compensation arrangement by share based payment award number of shares ceased granting.
Share-based compensation expense
Total share-based compensation expense
Share-Based Payment Arrangement, Expense
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]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value, Recurring and Nonrecurring [Table]
Research and development tax credits receivable
Increase Decrease In Research And Development Tax Credits Receivable
increase decrease in research and development tax credits receivable.
Security Exchange Name
Security Exchange Name
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Organization And Nature Of Business [Table]
Organization And Nature Of Business [Table]
Organization and nature of business.
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Net Cash Provided by (Used in) Operating Activities
Net cash used in operating activities
Unrecognized share-based compensation expense related to unvested stock options, weighted average period
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Income tax payable
Accrued Income Taxes, Current
Decrease in additional paid-in capital as exercised options credited to common shares
Additional Paid In Capital Share Based Payment Arrangement Exercised Options Credited To Common Shares
Additional paid in capital share-based payment arrangement exercised options credited to common shares.
Operating lease costs
Operating Lease, Cost
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Schedule of Outstanding Stock Options
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Recently Adopted Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Common stock shares outstanding
Common Stock, Shares, Outstanding
Common Stock, Shares, Outstanding, Beginning Balance
Common Stock, Shares, Outstanding, Ending Balance
Amortization of premiums on marketable securities
Accretion (Amortization) of Discounts and Premiums, Investments
Exercise of Underwriters Option
Over-Allotment Option [Member]
Entity Address, Country
Entity Address, Country
Significant Other Observable Inputs (Level 2)
Fair Value, Inputs, Level 2 [Member]
Deferred revenue, current
Deferred Revenue, Current
Deferred Revenue, Current, Total
Summary of Other Operating Lease Information
Summary Of Other Operating Lease Information Table [Text Block]
Summary of other operating lease information.
Fair Value
Debt Securities, Available-for-Sale
Debt Securities, Available-for-sale, Total
Cash Flows From Investing Activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Annual increases in number of shares available for issuance as percentage of outstanding shares common stock on final day of preceding calendar year
Annual Increase In Number Of Shares Available For Issuance As Percentage On Outstanding Shares Of Common Stock On Final Day Of Preceding Calendar Year
Annual increase in number of shares available for issuance as percentage on outstanding shares of common stock on final day of preceding calendar year.
Common stock shares issued
Common Stock, Shares, Issued
Common Stock, Shares, Issued, Total
Minimum
Minimum [Member]
Large Accelerated Filer Status
Large Accelerated Filer Status Policy Text Block
Large Accelerated Filer Status Policy Text Block
SHAREHOLDERS’ EQUITY
Stockholders' Equity Attributable to Parent [Abstract]
Realized and unrealized gain (loss) on foreign exchange
Foreign Currency Transaction Gain (Loss), before Tax
Foreign Currency Transaction Gain (Loss), before Tax, Total
Realized and unrealized loss on foreign exchange
Entity Address, Address Line Two
Entity Address, Address Line Two
Cash and Cash Equivalents
Cash and Cash Equivalents [Axis]
Revenue:
Revenues [Abstract]
Operating lease, lease not yet commenced, description
Lessee, Operating Lease, Lease Not yet Commenced, Description
Roche Agreement
Roche Agreement [Member]
Roche agreement.
Award Type
Award Type [Axis]
Subsequent Events
Subsequent Event [Member]
Nonoperating Income (Expense) [Abstract]
Other income, net
Research and development, net of tax credits
Research and Development Expense
Research and Development Expense, Total
Entity Central Index Key
Entity Central Index Key
Lessee, operating lease, existence of option to terminate
Lessee, Operating Lease, Existence of Option to Terminate [true false]
Accounting Policies [Abstract]
Investments, Debt and Equity Securities [Abstract]
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Available-for-Sale [Line Items]
Expected volatility
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Measurement Frequency
Measurement Frequency [Axis]
Number of shares granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Share-Based Compensation
Share-Based Payment Arrangement [Text Block]
Subsequent Event [Table]
General and administrative
General and Administrative Expense
General and Administrative Expense, Total
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Weighted average exercise price, Outstanding at beginning of period
Weighted average exercise price, Outstanding at end of period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Cambridge, Massachusetts
MOROCCO
Research and Development
Research and Development Expense [Member]
Scenario Forecast
Forecast [Member]
Total lease costs
Lease, Cost
Right-of-use asset obtained in exchange for new operating lease liability
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
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]
Accumulated Deficit
Retained Earnings [Member]
Money Market Funds
Money Market Funds [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Entity Interactive Data Current
Entity Interactive Data Current
Other receivables
Other Receivables
Local Phone Number
Local Phone Number
Aggregate offering price
Aggregate offering price
Schedule of Financial Assets Measured at Fair Value on a Recurring Basis
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Summary of Computation of Basic and Diluted Net Loss Per Share Attributable To Common Shareholders
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Options to License Undruggable Targets
Options To License Undruggable Target [Member]
Options to license undruggable target.
Initial Public Offering
IPO [Member]
Operating lease, existence of option to extend
Lessee, Operating Lease, Existence of Option to Extend [true false]
Number of shares, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
2020 Employee Share Purchase Plan
Two Thousand Twenty Employee Share Purchase Plan [Member]
Two thousand twenty employee share purchase plan.
Income Statement Location
Income Statement Location [Domain]
Balance, Shares
Balance, Shares
Shares, Outstanding
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Entity incorporation, date of incorporation
Entity Incorporation, Date of Incorporation
Number of shares, Outstanding at beginning of period
Number of shares, Outstanding at end of period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Marketable securities
Marketable Securities, Current
Marketable Securities, Current, Total
Document Fiscal Year Focus
Document Fiscal Year Focus
Net loss per share attributable to common shareholders--basic
Earnings Per Share, Basic
Earnings Per Share, Basic, Total
ASSETS
Assets [Abstract]
Shares issued, price per share
Shares Issued, Price Per Share
Long-Lived Tangible Asset
Long-Lived Tangible Asset [Axis]
Non-cash lease expense
Provision for Loan and Lease Losses
Provision for Loan and Lease Losses, Total
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Antidilutive Securities, Name
Antidilutive Securities, Name [Domain]
Net loss and comprehensive loss for the period
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total
CURRENT ASSETS:
Assets, Current [Abstract]
Bristol-Myers Squibb Company
Bristol Myers Squibb Company [Member]
Bristol-Myers Squibb Company.
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Domain]
Payables and Accruals [Abstract]
Measurement Frequency
Measurement Frequency [Domain]
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Lease, Cost [Abstract]
Lease Costs
Entity
Entity [Domain]
Operating lease, remaining extended lease term
Lessee, Operating Lease, Remaining Lease Term
Cover [Abstract]
Product and Service
Product and Service [Domain]
Other expense
Other Nonoperating Expense
Other Nonoperating Expense, Total
Upfront payment
Upfront Payment
Upfront payment.
CURRENT LIABILITIES:
Liabilities, Current [Abstract]
Maximum
Maximum [Member]
Schedule of Share-based Compensation Expense
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Number of shares, Exercised
Number of options exercised
Exercise of stock options, Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Foreign Currency Transaction Gain Loss
Foreign currency transaction gain (loss).
Foreign exchange gain
Significant Other Observable Inputs (Level 3)
Fair Value, Inputs, Level 3 [Member]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Cash and cash equivalents
Cash Equivalents, at Carrying Value
Cash Equivalents, at Carrying Value, Total
Exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Trading Symbol
Trading Symbol
Net loss attributable to common shareholders-diluted
Net Income (Loss) Available to Common Stockholders, Diluted
Net Income (Loss) Available to Common Stockholders, Diluted, Total
Subsequent Event Type
Subsequent Event Type [Axis]
Smaller Reporting Company
Smaller Reporting Company Policy Text Block
Smaller reporting company policy text block
Risk-free interest rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Accounts payable
Accounts Payable, Current
Accounts Payable, Current, Total
Accrued property and equipment purchases
Accrued property and equipment purchases.
Accrued Property and Equipment Purchases
Unrealized Losses
Unrealized losses
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Other non-current assets
Other non-current assets
Increase (Decrease) in Other Operating Assets
Increase (Decrease) in Other Operating Assets, Total
Plan Name
Plan Name [Axis]
Common stock shares authorized
Common Stock, Shares Authorized, Unlimited [Fixed List]
Long-Lived Tangible Asset
Long-Lived Tangible Asset [Domain]
Research Activities
Research Activities [Member]
Research activities.
Variable lease costs
Variable Lease, Cost
Weighted average exercise price, Granted
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Antidilutive securities excluded from computation of earnings per share amount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount