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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
Beginning balance (in shares) at Dec. 31, 2022   25,045,751      
Beginning balance at Dec. 31, 2022 $ 34,777 $ 25 $ 506,713 $ (1,108) $ (470,853)
Increase (Decrease) in Stockholders' Equity          
Net loss (10,375)       (10,375)
Unrealized loss adjustment for short-term investment 1,108     1,108  
Issuance of common stock pursuant to stock option exercises (in shares)   17,608      
Issuance of common stock pursuant to stock option exercises 1   1    
Issuance of common stock upon vesting of restricted stock units (in shares)   325,747      
Shares withheld for taxes (in shares)   (35,562)      
Shares withheld for taxes (146)   (146)    
Repurchase of common stock (in shares)   (1,340)      
Stock-based compensation 2,125   2,125    
Ending balance (in shares) at Mar. 31, 2023   25,352,204      
Ending balance at Mar. 31, 2023 27,490 $ 25 508,693 0 (481,228)
Beginning balance (in shares) at Dec. 31, 2022   25,045,751      
Beginning balance at Dec. 31, 2022 34,777 $ 25 506,713 (1,108) (470,853)
Increase (Decrease) in Stockholders' Equity          
Net loss (19,499)        
Ending balance (in shares) at Jun. 30, 2023   25,816,929      
Ending balance at Jun. 30, 2023 21,226 $ 26 511,552 0 (490,352)
Beginning balance (in shares) at Mar. 31, 2023   25,352,204      
Beginning balance at Mar. 31, 2023 27,490 $ 25 508,693 0 (481,228)
Increase (Decrease) in Stockholders' Equity          
Net loss (9,124)       (9,124)
Issuance of common stock pursuant to stock option exercises (in shares)   164,134      
Issuance of common stock pursuant to stock option exercises $ 5 $ 1 4    
Issuance of common stock pursuant to Employee Stock Purchase Plan (in shares) 240,000 164,710      
Issuance of common stock pursuant to Employee Stock Purchase Plan     240    
Issuance of common stock upon vesting of restricted stock units (in shares)   145,787      
Shares withheld for taxes (in shares)   (9,906)      
Shares withheld for taxes $ (41)   (41)    
Change in early exercise liability 1   1    
Stock-based compensation 2,655   2,655    
Ending balance (in shares) at Jun. 30, 2023   25,816,929      
Ending balance at Jun. 30, 2023 $ 21,226 $ 26 511,552 $ 0 (490,352)
Beginning balance (in shares) at Dec. 31, 2023 27,823,465 27,823,465      
Beginning balance at Dec. 31, 2023 $ 20,654 $ 28 524,435   (503,809)
Increase (Decrease) in Stockholders' Equity          
Net loss (8,925)       (8,925)
Issuance of common stock pursuant to stock option exercises (in shares)   409,045      
Issuance of common stock pursuant to stock option exercises 721   721    
Issuance of common stock upon vesting of restricted stock units (in shares)   522,483      
Issuance of common stock upon vesting of restricted stock units 0 $ 1 (1)    
Shares withheld for taxes (in shares)   (37,541)      
Shares withheld for taxes (649)   (649)    
Stock-based compensation 2,540   2,540    
Ending balance (in shares) at Mar. 31, 2024   28,717,452      
Ending balance at Mar. 31, 2024 $ 14,341 $ 29 527,046   (512,734)
Beginning balance (in shares) at Dec. 31, 2023 27,823,465 27,823,465      
Beginning balance at Dec. 31, 2023 $ 20,654 $ 28 524,435   (503,809)
Increase (Decrease) in Stockholders' Equity          
Net loss $ (16,439)        
Issuance of common stock pursuant to stock option exercises (in shares) 504,053        
Ending balance (in shares) at Jun. 30, 2024 29,139,206 29,139,206      
Ending balance at Jun. 30, 2024 $ 9,885 $ 29 530,104   (520,248)
Beginning balance (in shares) at Mar. 31, 2024   28,717,452      
Beginning balance at Mar. 31, 2024 14,341 $ 29 527,046   (512,734)
Increase (Decrease) in Stockholders' Equity          
Net loss (7,514)       (7,514)
Issuance of common stock pursuant to stock option exercises (in shares)   95,008      
Issuance of common stock pursuant to stock option exercises 53   53    
Issuance of common stock pursuant to Employee Stock Purchase Plan (in shares)   94,743      
Issuance of common stock pursuant to Employee Stock Purchase Plan 528   528    
Issuance of common stock upon vesting of restricted stock units (in shares)   242,518      
Shares withheld for taxes (in shares)   (9,233)      
Shares withheld for taxes (72)   (72)    
Repurchase of common stock (in shares)   (1,282)      
Change in early exercise liability 1   1    
Stock-based compensation $ 2,548   2,548    
Ending balance (in shares) at Jun. 30, 2024 29,139,206 29,139,206      
Ending balance at Jun. 30, 2024 $ 9,885 $ 29 $ 530,104   $ (520,248)