Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT)

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CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
$ in Thousands
Total
Class A and B Common Stock and Common stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income
Accumulated
Deficit
Beginning balance (in shares) at Dec. 31, 2018 31,145,475        
Beginning balance at Dec. 31, 2018 $ 139,734        
Ending balance (in shares) at Dec. 31, 2019 31,145,475        
Ending balance at Dec. 31, 2019 $ 139,734        
Beginning balance (in shares) at Dec. 31, 2018   23,185,391      
Beginning balance at Dec. 31, 2018 (117,044) $ 23 $ 10,528 $ 8,282 $ (135,877)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation expense 3,492   3,492    
Exercise of common stock options (in shares)   530,642      
Exercise of common stock options 641 $ 1 640    
Unrealized loss on available-for-sale securities 0        
Foreign currency translation adjustment (683)     (683)  
Net loss (36,908)       (36,908)
Ending balance (in shares) at Dec. 31, 2019   23,716,033      
Ending balance at Dec. 31, 2019 $ (150,502) $ 24 14,660 7,599 (172,785)
Redeemable Convertible Preferred Stock          
Redeemable convertible preferred stock issuance, net of issuance costs (in shares) 9,697,144        
Redeemable convertible preferred stock issuance, net of issuance costs $ 91,769        
Ending balance (in shares) at Dec. 31, 2020 40,842,619        
Ending balance at Dec. 31, 2020 $ 231,503        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation expense 4,985   4,985    
Exercise of common stock options (in shares)   780,521      
Exercise of common stock options 995 $ 1 994    
Unrealized loss on available-for-sale securities 0        
Foreign currency translation adjustment (2,346)     (2,346)  
Net loss (41,794)       (41,794)
Repurchase of shares from employees (in shares)   (310,932)      
Repurchase of shares from employees $ (1,516) $ (1) (37)   (1,478)
Ending balance (in shares) at Dec. 31, 2020 24,186,000 24,185,622      
Ending balance at Dec. 31, 2020 $ (190,178) $ 24 20,602 5,253 (216,057)
Redeemable Convertible Preferred Stock          
Redeemable convertible preferred stock issuance, net of issuance costs (in shares) 1,935,789        
Redeemable convertible preferred stock issuance, net of issuance costs $ 19,951        
Reclassification of preferred stock tranche option liability upon issuance of Series E-1 redeemable convertible preferred stock $ 11,724        
Conversion of redeemable convertible preferred stock into Class B common stock in connection with initial public offering (in shares) (42,778,408)        
Conversion of redeemable convertible preferred stock into Class B common stock in connection with initial public offering $ (263,178)        
Ending balance (in shares) at Dec. 31, 2021 0        
Ending balance at Dec. 31, 2021 $ 0        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation expense 10,666   10,666    
Conversion of redeemable convertible preferred stock into Class B common stock in connection with initial public offering (in shares)   42,778,408      
Conversion of redeemable convertible preferred stock into Class B common stock in connection with initial public offering 263,178 $ 43 263,135    
Issuance of common stock upon initial public offering net of underwriting discounts, commissions and issuance costs (in shares)   12,650,000      
Issuance of common stock upon initial public offering net of underwriting discounts, commissions and issuance costs 289,512 $ 13 289,499    
Issuance of common stock upon exercise of warrants (in shares)   344,085      
Issuance of common stock upon exercise of warrants $ 8,273 $ 1 8,272    
Exercise of common stock options (in shares) 2,510,947 2,510,947      
Exercise of common stock options $ 4,901 $ 2 4,899    
Common stock issued upon vesting of restricted stock units, net of tax withholding (3,877)   (3,877)    
Common stock issued upon vesting of restricted stock units, net of tax withholding (in shares)   179,763      
Unrealized loss on available-for-sale securities (591)     (591)  
Foreign currency translation adjustment 2,010     2,010  
Net loss $ (47,768)       (47,768)
Ending balance (in shares) at Dec. 31, 2021 0 82,648,825      
Ending balance at Dec. 31, 2021 $ 336,126 $ 83 $ 593,197 $ 6,672 $ (263,825)