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Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Total
Convertible Preferred Stock
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Convertible preferred stock, beginning balance, shares at Dec. 31, 2020   69,584,682        
Convertible preferred stock, beginning balance, value at Dec. 31, 2020   $ 221,405        
Beginning balance, shares at Dec. 31, 2020     25,189,673      
Beginning balance at Dec. 31, 2020 $ (113,984)   $ 3 $ 1,413 $ 2 $ (115,402)
Issuance of Series B-1 and B-2 convertible preferred stock for cash, shares   15,931,772        
Issuance of Series B-1 and B-2 convertible preferred stock for cash   $ 119,393        
Issuance of common stock in connection with asset acquisition, shares     500,000      
Issuance of common stock in connection with asset acquisition 1,680     1,680    
Exercise of stock options, shares     439,610      
Exercise of stock options 94     94    
Vesting of early exercised stock options 174     174    
Stock-based compensation expense 795     795    
Net loss (18,017)         (18,017)
Unrealized loss on marketable securities, net (1)       (1)  
Convertible preferred stock, ending balance, shares at Mar. 31, 2021   85,516,454        
Convertible preferred stock,ending balance, value at Mar. 31, 2021   $ 340,798        
Ending balance, shares at Mar. 31, 2021     26,129,283      
Ending balance at Mar. 31, 2021 $ (129,259)   $ 3 4,156 1 (133,419)
Convertible preferred stock, beginning balance, shares at Dec. 31, 2021   0        
Beginning balance, shares at Dec. 31, 2021 121,382,547   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 early exercised stock options and restricted stock, Shares     (6,945)      
Stock-based compensation expense 4,442     4,442    
Net loss (36,458)         (36,458)
Unrealized loss on marketable securities, net $ (789)       (789)  
Convertible preferred stock, ending balance, shares at Mar. 31, 2022   0        
Ending balance, shares at Mar. 31, 2022 121,732,846   121,732,846      
Ending balance at Mar. 31, 2022 $ 424,662   $ 12 $ 700,225 $ (951) $ (274,624)