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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2022   61,701,467      
Beginning balance at Dec. 31, 2022 $ 142,013 $ 617 $ 1,235,095 $ (1,093,694) $ (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share-based compensation 4,788   4,788    
Stock plan activity (in shares)   42,098      
Stock plan related activity (154)   (154)    
Issuance of common stock, net of offering costs (in shares)   95,000      
Issuance of common stock, net of offering costs 617 $ 1 616    
Unrealized gain (loss) on investments 13       13
Net loss (38,009)     (38,009)  
Ending balance (in shares) at Mar. 31, 2023   61,838,565      
Ending balance at Mar. 31, 2023 109,268 $ 618 1,240,345 (1,131,703) 8
Beginning balance (in shares) at Dec. 31, 2022   61,701,467      
Beginning balance at Dec. 31, 2022 142,013 $ 617 1,235,095 (1,093,694) (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss 37,014        
Ending balance (in shares) at Sep. 30, 2023   62,028,904      
Ending balance at Sep. 30, 2023 193,980 $ 620 1,250,074 (1,056,680) (34)
Beginning balance (in shares) at Mar. 31, 2023   61,838,565      
Beginning balance at Mar. 31, 2023 109,268 $ 618 1,240,345 (1,131,703) 8
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share-based compensation 4,436   4,436    
Stock plan related activity   $ 1      
Stock plan activity (in shares)   63,793      
Stock plan related activity 216   215    
Issuance of common stock, net of offering costs (in shares)   36,135      
Issuance of common stock, net of offering costs 235   235    
Unrealized gain (loss) on investments (80)       (80)
Net loss 57,469     57,469  
Ending balance (in shares) at Jun. 30, 2023   61,938,493      
Ending balance at Jun. 30, 2023 171,544 $ 619 1,245,231 (1,074,234) (72)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share-based compensation 4,746   4,746    
Stock plan related activity   $ 1      
Stock plan activity (in shares)   54,276      
Stock plan related activity (89)   (90)    
Issuance of common stock, net of offering costs (in shares)   36,135      
Issuance of common stock, net of offering costs 187   187    
Unrealized gain (loss) on investments 38       38
Net loss 17,554     17,554  
Ending balance (in shares) at Sep. 30, 2023   62,028,904      
Ending balance at Sep. 30, 2023 193,980 $ 620 1,250,074 (1,056,680) (34)
Beginning balance (in shares) at Dec. 31, 2023   62,070,627      
Beginning balance at Dec. 31, 2023 152,613 $ 621 1,254,750 (1,102,752) (6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share-based compensation 5,512   5,512    
Stock plan related activity   $ 5      
Stock plan activity (in shares)   489,875      
Stock plan related activity 248   243    
Unrealized gain (loss) on investments (29)       (29)
Net loss (52,190)     (52,190)  
Ending balance (in shares) at Mar. 31, 2024   62,560,502      
Ending balance at Mar. 31, 2024 106,154 $ 626 1,260,505 (1,154,942) (35)
Beginning balance (in shares) at Dec. 31, 2023   62,070,627      
Beginning balance at Dec. 31, 2023 $ 152,613 $ 621 1,254,750 (1,102,752) (6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Shares, Granted (in shares) 1,950,032        
Net loss $ (51,545)        
Ending balance (in shares) at Sep. 30, 2024   62,763,120      
Ending balance at Sep. 30, 2024 120,066 $ 627 1,273,722 (1,154,297) 14
Beginning balance (in shares) at Mar. 31, 2024   62,560,502      
Beginning balance at Mar. 31, 2024 106,154 $ 626 1,260,505 (1,154,942) (35)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share-based compensation 6,693   6,693    
Stock plan related activity   $ 1      
Stock plan activity (in shares)   160,467      
Stock plan related activity 625   624    
Unrealized gain (loss) on investments 11       11
Net loss (55,664)     (55,664)  
Ending balance (in shares) at Jun. 30, 2024   62,720,969      
Ending balance at Jun. 30, 2024 57,819 $ 627 1,267,822 (1,210,606) (24)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share-based compensation 5,969   5,969    
Stock plan activity (in shares)   42,151      
Stock plan related activity (69)   (69)    
Unrealized gain (loss) on investments 38       38
Net loss 56,309     56,309  
Ending balance (in shares) at Sep. 30, 2024   62,763,120      
Ending balance at Sep. 30, 2024 $ 120,066 $ 627 $ 1,273,722 $ (1,154,297) $ 14