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STATEMENTS OF STOCKHOLDERS EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Total
Balance at the beginning at Dec. 31, 2021 $ 28 $ 421,047 $ (663) $ (187,026) $ 233,386
Balance at the beginning (in shares) at Dec. 31, 2021 27,680,997        
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   9,508     9,508
Exercise of stock options   66     66
Exercise of stock options (in shares) 50,420        
Issuance of shares under ESPP   134     134
Issuance of shares under ESPP (in shares) 43,119        
Unrealized gain (loss) on marketable securities, net of tax $0     (831)   (831)
Net Income (Loss)       (74,733) (74,733)
Balance at the end at Dec. 31, 2022 $ 28 430,755 (1,494) (261,759) $ 167,530
Balance at the end (in shares) at Dec. 31, 2022 27,774,536       27,774,536
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   8,188     $ 8,188
Exercise of stock options   5     5
Exercise of stock options (in shares) 5,057        
Issuance of shares under ESPP   149     149
Issuance of shares under ESPP (in shares) 123,434        
Unrealized gain (loss) on marketable securities, net of tax $0     1,272   1,272
Net Income (Loss)       (62,723) (62,723)
Balance at the end at Dec. 31, 2023 $ 28 $ 439,097 $ (222) $ (324,482) $ 114,421
Balance at the end (in shares) at Dec. 31, 2023 27,903,027       27,903,027