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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning balance, shares at Dec. 31, 2021   121,382,547      
Beginning balance at Dec. 31, 2021 $ 456,528 $ 12 $ 694,844 $ (162) $ (238,166)
Exercise of stock options, shares   357,244      
Exercise of stock options 460   460    
Vesting of early exercised stock options 479   479    
Repurchases of restricted stock   (6,945)      
Stock-based compensation expense 4,442   4,442    
Net loss (36,458)       (36,458)
Unrealized gain (loss) on marketable securities, net (789)     (789)  
Ending balance, shares at Mar. 31, 2022   121,732,846      
Ending balance at Mar. 31, 2022 $ 424,662 $ 12 700,225 (951) (274,624)
Beginning balance, shares at Dec. 31, 2022 150,448,363 150,448,363      
Beginning balance at Dec. 31, 2022 $ 411,853 $ 15 893,850 (1,041) (480,971)
Exercise of stock options, shares   199,344      
Exercise of stock options 183   183    
Vesting of early exercised stock options 243   243    
Stock-based compensation expense 6,845   6,845    
Net loss (33,199)       (33,199)
Unrealized gain (loss) on marketable securities, net $ 527     527  
Ending balance, shares at Mar. 31, 2023 150,647,707 150,647,707      
Ending balance at Mar. 31, 2023 $ 386,452 $ 15 $ 901,121 $ (514) $ (514,170)