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Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021   16,164,994    
Beginning balance at Dec. 31, 2021 $ 84,936 $ 16 $ 293,060 $ (208,140)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of stock from vested restricted stock units and payment of employees' taxes (in shares)   64,064    
Issuance of stock from vested restricted stock units and payment of employees' taxes (239)   (239)  
Exercise of stock options (in shares)   245,186    
Exercise of stock options 61 $ 1 60  
Issuance of stock under Employee Stock Purchase Plan (in shares)   75,740    
Issuance of stock under Employee Stock Purchase Plan 385   385  
Stock-based compensation 4,704   4,704  
Net loss $ (47,387)     (47,387)
Ending balance (in shares) at Dec. 31, 2022 16,549,984 16,549,984    
Ending balance at Dec. 31, 2022 $ 42,460 $ 17 297,970 (255,527)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of stock from vested restricted stock units (in shares)   273,042    
Exercise of stock options (in shares) 93,335 93,335    
Exercise of stock options $ 27   27  
Issuance of stock under Employee Stock Purchase Plan (in shares)   129,593    
Issuance of stock under Employee Stock Purchase Plan 279   279  
Stock-based compensation 3,617   3,617  
Net loss $ (23,689)     (23,689)
Ending balance (in shares) at Dec. 31, 2023 17,045,954 17,045,954    
Ending balance at Dec. 31, 2023 $ 22,694 $ 17 $ 301,893 $ (279,216)