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CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Gain (Loss)
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021   42,338,898      
Beginning balance at Dec. 31, 2021 $ 271,786 $ 5 $ 389,408 $ (560) $ (117,067)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options and purchases pursuant to employee stock purchase plan (in shares)   39,616      
Exercise of stock options and purchases pursuant to employee stock purchase plan 134   134    
Stock-based compensation expense 1,513   1,513    
Unrealized gain (loss) on investments 33     33  
Net loss (24,528)       (24,528)
Ending balance (in shares) at Mar. 31, 2022   42,378,514      
Ending balance at Mar. 31, 2022 248,938 $ 5 391,055 (527) (141,595)
Beginning balance (in shares) at Dec. 31, 2021   42,338,898      
Beginning balance at Dec. 31, 2021 271,786 $ 5 389,408 (560) (117,067)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Unrealized gain (loss) on investments (548)        
Net loss (51,899)        
Ending balance (in shares) at Jun. 30, 2022   42,382,013      
Ending balance at Jun. 30, 2022 222,529 $ 5 392,598 (1,108) (168,966)
Beginning balance (in shares) at Mar. 31, 2022   42,378,514      
Beginning balance at Mar. 31, 2022 248,938 $ 5 391,055 (527) (141,595)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options and purchases pursuant to employee stock purchase plan (in shares)   3,499      
Exercise of stock options and purchases pursuant to employee stock purchase plan 10   10    
Stock-based compensation expense 1,533   1,533    
Unrealized gain (loss) on investments (581)     (581)  
Net loss (27,371)       (27,371)
Ending balance (in shares) at Jun. 30, 2022   42,382,013      
Ending balance at Jun. 30, 2022 222,529 $ 5 392,598 (1,108) (168,966)
Beginning balance (in shares) at Dec. 31, 2022   42,390,586      
Beginning balance at Dec. 31, 2022 176,157 $ 5 396,041 (877) (219,012)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options and purchases pursuant to employee stock purchase plan (in shares)   11,888      
Exercise of stock options and purchases pursuant to employee stock purchase plan $ 39   39    
Issuance of common stock upon settlement of restricted stock units (in shares)   73,937      
Shares withheld related to net share settlement (in shares) (16,153)        
Shares withheld related to net share settlement $ (39)   (39)    
Stock-based compensation expense 1,683   1,683    
Unrealized gain (loss) on investments 538     538  
Net loss (20,724)       (20,724)
Ending balance (in shares) at Mar. 31, 2023   42,460,258      
Ending balance at Mar. 31, 2023 157,654 $ 5 397,724 (339) (239,736)
Beginning balance (in shares) at Dec. 31, 2022   42,390,586      
Beginning balance at Dec. 31, 2022 176,157 $ 5 396,041 (877) (219,012)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Unrealized gain (loss) on investments 803        
Net loss (42,070)        
Ending balance (in shares) at Jun. 30, 2023   42,471,335      
Ending balance at Jun. 30, 2023 138,458 $ 5 399,609 (74) (261,082)
Beginning balance (in shares) at Mar. 31, 2023   42,460,258      
Beginning balance at Mar. 31, 2023 157,654 $ 5 397,724 (339) (239,736)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options and purchases pursuant to employee stock purchase plan (in shares)   11,077      
Exercise of stock options and purchases pursuant to employee stock purchase plan 33   33    
Stock-based compensation expense 1,852   1,852    
Unrealized gain (loss) on investments 265     265  
Net loss (21,346)       (21,346)
Ending balance (in shares) at Jun. 30, 2023   42,471,335      
Ending balance at Jun. 30, 2023 $ 138,458 $ 5 $ 399,609 $ (74) $ (261,082)