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STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Other Comprehensive Gain (Loss)
Beginning Balance at Dec. 31, 2021 $ 272,976 $ 4 $ 518,183 $ (245,108) $ (103)
Beginning Balance (in shares) at Dec. 31, 2021   39,430,120      
Exercise of common stock options 16   16    
Exercise of common stock options (in shares)   8,482      
Stock-based compensation expense 3,945   3,945    
Unrealized (loss) gain on investments (699)       (699)
Net loss (23,159)     (23,159)  
Ending Balance at Mar. 31, 2022 253,079 $ 4 522,144 (268,267) (802)
Ending Balance (in shares) at Mar. 31, 2022   39,438,602      
Beginning Balance at Dec. 31, 2022 $ 222,351 $ 5 557,867 (334,230) (1,291)
Beginning Balance (in shares) at Dec. 31, 2022 45,089,537 45,089,537      
Exercise of common stock options (in shares) 16 16      
Stock-based compensation expense $ 3,614   3,614    
Unrealized (loss) gain on investments 792       792
Issuance of common stock upon vesting of RSUs   1,662      
Net loss (23,945)     (23,945)  
Ending Balance at Mar. 31, 2023 $ 202,812 $ 5 $ 561,481 $ (358,175) $ (499)
Ending Balance (in shares) at Mar. 31, 2023 45,091,215 45,091,215