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Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Balance at Dec. 31, 2021 $ 308,559   $ 476,363 $ (78) $ (167,726)
Balance, Shares at Dec. 31, 2021   45,433,684      
Exercise of stock options 128   128    
Exercise of stock options, Shares   98,708      
Stock-based compensation expense 2,177   2,177    
Net loss (18,433)       (18,433)
Unrealized gain (loss) on available for sale investments (588)     (588)  
Balance at Mar. 31, 2022 291,843   478,668 (666) (186,159)
Balance, Shares at Mar. 31, 2022   45,532,392      
Balance at Dec. 31, 2021 308,559   476,363 (78) (167,726)
Balance, Shares at Dec. 31, 2021   45,433,684      
Net loss (53,972)        
Balance at Sep. 30, 2022 261,193   483,916 (1,025) (221,698)
Balance, Shares at Sep. 30, 2022   45,624,860      
Balance at Mar. 31, 2022 291,843   478,668 (666) (186,159)
Balance, Shares at Mar. 31, 2022   45,532,392      
Exercise of stock options 276   276    
Exercise of stock options, Shares   90,218      
Stock-based compensation expense 2,518   2,518    
Net loss (17,310)       (17,310)
Unrealized gain (loss) on available for sale investments (357)     (357)  
Balance at Jun. 30, 2022 276,970   481,462 (1,023) (203,469)
Balance, Shares at Jun. 30, 2022   45,622,610      
Exercise of stock options 6   6    
Exercise of stock options, Shares   2,250      
Stock-based compensation expense 2,448   2,448    
Net loss (18,229)       (18,229)
Unrealized gain (loss) on available for sale investments (2)     (2)  
Balance at Sep. 30, 2022 261,193   483,916 (1,025) (221,698)
Balance, Shares at Sep. 30, 2022   45,624,860      
Balance at Dec. 31, 2022 246,028   487,516 (445) (241,043)
Balance, Shares at Dec. 31, 2022   45,771,332      
Exercise of stock options 12   12    
Exercise of stock options, Shares   3,429      
Stock-based compensation expense 2,932   2,932    
Net loss (19,128)       (19,128)
Unrealized gain (loss) on available for sale investments 329     329  
Balance at Mar. 31, 2023 230,173   490,460 (116) (260,171)
Balance, Shares at Mar. 31, 2023   45,774,761      
Balance at Dec. 31, 2022 $ 246,028   487,516 (445) (241,043)
Balance, Shares at Dec. 31, 2022   45,771,332      
Exercise of stock options, Shares 96,360        
Net loss $ (53,204)        
Balance at Sep. 30, 2023 237,612   532,214 (355) (294,247)
Balance, Shares at Sep. 30, 2023   51,157,636      
Balance at Mar. 31, 2023 230,173   490,460 (116) (260,171)
Balance, Shares at Mar. 31, 2023   45,774,761      
Exercise of stock options 105   105    
Exercise of stock options, Shares   24,417      
Issuance of common stock, net of issuance costs 2,026   2,026    
Issuance of common stock, net of issuance costs , Shares   344,358      
Stock-based compensation expense 3,153   3,153    
Net loss (17,436)       (17,436)
Unrealized gain (loss) on available for sale investments (212)     (212)  
Balance at Jun. 30, 2023 217,809   495,744 (328) (277,607)
Balance, Shares at Jun. 30, 2023   46,143,536      
Exercise of stock options 51   51    
Exercise of stock options, Shares   209,012      
Issuance of common stock, net of issuance costs 33,095   33,095    
Issuance of common stock, net of issuance costs , Shares   4,805,088      
Stock-based compensation expense 3,324   3,324    
Net loss (16,640)       (16,640)
Unrealized gain (loss) on available for sale investments (27)     (27)  
Balance at Sep. 30, 2023 $ 237,612   $ 532,214 $ (355) $ (294,247)
Balance, Shares at Sep. 30, 2023   51,157,636