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Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Total
Redeemable Convertible Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning Balance at Dec. 31, 2020   $ 117,331      
Beginning Balance, shares at Dec. 31, 2020   12,767,202      
Beginning Balance at Dec. 31, 2020 $ (88,849)   $ 9 $ 1,183 $ (90,041)
Beginning Balance, shares at Dec. 31, 2020     9,509,182    
Issuance of common stock upon exercise of stock options 11     11  
Issuance of common stock upon exercise of stock options, shares     16,862    
Stock-based compensation expense 277     277  
Net loss (12,240)       (12,240)
Ending Balance at Mar. 31, 2021   $ 117,331      
Ending Balance, shares at Mar. 31, 2021   12,767,202      
Ending Balance at Mar. 31, 2021 (100,801)   $ 9 1,471 (102,281)
Ending Balance, shares at Mar. 31, 2021     9,526,044    
Beginning Balance at Dec. 31, 2021   $ 0      
Beginning Balance, shares at Dec. 31, 2021   0      
Beginning Balance at Dec. 31, 2021 232,107   $ 48 385,060 (153,001)
Beginning Balance, shares at Dec. 31, 2021     47,504,704    
Issuance of common stock upon exercise of stock options $ 93     93  
Issuance of common stock upon exercise of stock options, shares 85,644   85,644    
Stock-based compensation expense $ 2,974     2,974  
Net loss (23,263)       (23,263)
Ending Balance at Mar. 31, 2022   $ 0      
Ending Balance, shares at Mar. 31, 2022   0      
Ending Balance at Mar. 31, 2022 $ 211,911   $ 48 $ 388,127 $ (176,264)
Ending Balance, shares at Mar. 31, 2022     47,590,348