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Consolidated Statements of Convertible Preferred Shares and Shareholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
2020 Employee Share Purchase Plan
Initial Public Offering
Follow On Offering
Series A Convertible Preferred Shares
Series B Convertible Preferred Shares
Common Shares
Common Shares
2020 Employee Share Purchase Plan
Common Shares
Initial Public Offering
Common Shares
Follow On Offering
Additional Paid-in Capital
Additional Paid-in Capital
2020 Employee Share Purchase Plan
Accumulated Deficit
Balance at Dec. 31, 2018 $ (22,384)           $ 1       $ 340   $ (22,725)
Temporary equity balance, Shares at Dec. 31, 2018         6,813,340                
Temporary equity balance, Value at Dec. 31, 2018         $ 31,873                
Balance, Shares at Dec. 31, 2018             1,528,374            
Issuance of convertible preferred shares, net of issuance costs         $ 21,876 $ 82,248              
Issuance of convertible preferred shares, net of issuance costs, Shares         4,276,795 10,468,258              
Series A Tranche 3 termination 2,960                   2,960    
Share-based compensation expense 511                   511    
Net loss and comprehensive loss (27,216)                       (27,216)
Balance at Dec. 31, 2019 (46,129)           $ 1       3,811   (49,941)
Temporary equity balance, Shares at Dec. 31, 2019         11,090,135 10,468,258              
Temporary equity balance, Value at Dec. 31, 2019         $ 53,749 $ 82,248              
Balance, Shares at Dec. 31, 2019             1,528,374            
Exercise of vested stock options 799           $ 1,272       (473)    
Exercise of vested stock options, Shares             416,157            
Share-based compensation expense 2,537                   2,537    
Issuance of common shares     $ 232,043           $ 232,043        
Issuance of common shares, Shares                 12,650,000        
Conversion of convertible preferred shares into an equivalent number of common shares, Value 135,997       $ (53,749) $ (82,248) $ 135,997            
Conversion of convertible preferred shares into an equivalent number of common shares, Shares         (11,090,135) (10,468,258) 21,558,393            
Issuance of warrant and conversion into common shares,Value 15,000           $ 15,000            
Issuance of warrant and conversion into common shares, Shares             750,000            
Net loss and comprehensive loss (53,417)                       (53,417)
Balance at Dec. 31, 2020 286,830           $ 384,313       5,875   (103,358)
Balance, Shares at Dec. 31, 2020             36,902,924            
Exercise of vested stock options $ 986           $ 1,578       (592)    
Exercise of vested stock options, Shares 333,996           333,996            
Share-based compensation expense $ 12,829                   12,829    
Issuance of common shares 113     $ 94,288     $ 113     $ 94,288      
Issuance of common shares, Shares             3,299     4,600,000      
Issuance of common shares under the 2020 Employee Share Purchase Plan   $ 283           $ 407       $ (124)  
Issuance of common shares under the 2020 Employee Share Purchase Plan, Shares               9,943          
Net loss and comprehensive loss (106,908)                       (106,908)
Balance at Dec. 31, 2021 $ 288,421           $ 480,699       $ 17,988   $ (210,266)
Balance, Shares at Dec. 31, 2021             41,850,162