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Condensed Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Common Stock
Pre-Funded Warrants
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Balance, beginning (in shares) at Dec. 31, 2020   42,196,296        
Balance, beginning at Dec. 31, 2020 $ 191,216     $ 524,022 $ (332,806)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares issued upon exercises of stock options (in shares)   124,928        
Shares issued upon exercises of stock options 411     411    
Shares issued upon vesting of restricted stock units (in shares)   84,500        
Issuance of shares under Employee Stock Purchase Plan (in shares)   51,747        
Issuance of shares under Employee Stock Purchase Plan 372     372    
Stock-based compensation 11,557     11,557    
Net loss (60,692)       (60,692)  
Balance, ending (in shares) at Dec. 31, 2021   42,457,471        
Balance, ending at Dec. 31, 2021 142,864     536,362 (393,498)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares issued upon exercises of stock options (in shares)   36,500        
Shares issued upon exercises of stock options 134     134    
Stock-based compensation 2,446     2,446    
Net loss (15,351)       (15,351)  
Balance, ending (in shares) at Mar. 31, 2022   42,493,971        
Balance, ending at Mar. 31, 2022 130,093     538,942 (408,849) $ 0
Balance, beginning (in shares) at Dec. 31, 2021   42,457,471        
Balance, beginning at Dec. 31, 2021 142,864     536,362 (393,498)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Unrealized gain (loss) on available-for-sale securities (72)          
Net loss (31,039)          
Balance, ending (in shares) at Jun. 30, 2022   42,579,852        
Balance, ending at Jun. 30, 2022 116,708     541,317 (424,537) (72)
Balance, beginning (in shares) at Dec. 31, 2021   42,457,471        
Balance, beginning at Dec. 31, 2021 $ 142,864     536,362 (393,498)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares issued upon exercises of stock options (in shares) 36,500 36,500        
Shares issued upon exercises of stock options $ 134     134    
Shares issued upon vesting of restricted stock units (in shares)   24,750        
Issuance of shares under Employee Stock Purchase Plan (in shares)   129,625        
Issuance of shares under Employee Stock Purchase Plan 82     82    
Unrealized gain (loss) on available-for-sale securities (21)         (21)
Stock-based compensation 8,829     8,829    
Net loss (57,557)       (57,557)  
Balance, ending (in shares) at Dec. 31, 2022   42,648,346        
Balance, ending at Dec. 31, 2022 94,331     545,407 (451,055) (21)
Balance, beginning (in shares) at Mar. 31, 2022   42,493,971        
Balance, beginning at Mar. 31, 2022 130,093     538,942 (408,849) 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares issued upon vesting of restricted stock units (in shares)   10,000        
Issuance of shares under Employee Stock Purchase Plan (in shares)   75,881        
Issuance of shares under Employee Stock Purchase Plan 63     63    
Unrealized gain (loss) on available-for-sale securities (72)         (72)
Stock-based compensation 2,312     2,312    
Net loss (15,688)       (15,688)  
Balance, ending (in shares) at Jun. 30, 2022   42,579,852        
Balance, ending at Jun. 30, 2022 116,708     541,317 (424,537) (72)
Balance, beginning (in shares) at Dec. 31, 2022   42,648,346        
Balance, beginning at Dec. 31, 2022 94,331     545,407 (451,055) (21)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares issued upon vesting of restricted stock units (in shares)   170,000        
Unrealized gain (loss) on available-for-sale securities 39         39
Stock-based compensation 1,191     1,191    
Net loss (14,204)       (14,204)  
Balance, ending (in shares) at Mar. 31, 2023   42,818,346        
Balance, ending at Mar. 31, 2023 81,357     546,598 (465,259) 18
Balance, beginning (in shares) at Dec. 31, 2022   42,648,346        
Balance, beginning at Dec. 31, 2022 $ 94,331     545,407 (451,055) (21)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares issued upon exercises of stock options (in shares) 0 36,500        
Unrealized gain (loss) on available-for-sale securities $ 8          
Net loss (16,289)          
Balance, ending (in shares) at Jun. 30, 2023   44,021,429        
Balance, ending at Jun. 30, 2023 79,576     546,933 (467,344) (13)
Balance, beginning (in shares) at Mar. 31, 2023   42,818,346        
Balance, beginning at Mar. 31, 2023 81,357     546,598 (465,259) 18
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares issued upon vesting of restricted stock units (in shares)   10,000        
Shares issued upon the exercise of pre-funded warrants (in shares)     1,180,000      
Issuance of shares under Employee Stock Purchase Plan (in shares)   13,083        
Issuance of shares under Employee Stock Purchase Plan 4     4    
Unrealized gain (loss) on available-for-sale securities (31)         (31)
Stock-based compensation 331     331    
Net loss (2,085)       (2,085)  
Balance, ending (in shares) at Jun. 30, 2023   44,021,429        
Balance, ending at Jun. 30, 2023 $ 79,576     $ 546,933 $ (467,344) $ (13)