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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023   69,905,000      
Beginning balance at Dec. 31, 2023 $ 86,615 $ 7 $ 584,138 $ 0 $ (497,530)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon exercise of stock options (in shares) 72,856 73,000      
Issuance of common stock upon exercise of stock options $ 143   143    
Issuance of common stock upon release of stock awards (in shares)   834,000      
Issuance of common stock warrants in connection with debt issuance 859   859    
Issuance of common stock under employee stock purchase plan (in shares)   124,000      
Issuance of common stock under employee stock purchase plan 260   260    
Issuance of common stock in connection with an equity sales agreement, net of issuance costs (in shares)   10,440,000      
Issuance of common stock in connection with an equity sales agreement, net of issuance costs 29,736 $ 1 29,735    
Stock-based compensation 10,561   10,561    
Net loss (54,900)       (54,900)
Other comprehensive income (loss) 126     126  
Ending balance (in shares) at Sep. 30, 2024   81,376,000      
Ending balance at Sep. 30, 2024 73,400 $ 8 625,696 126 (552,430)
Beginning balance (in shares) at Dec. 31, 2023   69,905,000      
Beginning balance at Dec. 31, 2023 86,615 $ 7 584,138 0 (497,530)
Ending balance (in shares) at Dec. 31, 2024   81,850,000      
Ending balance at Dec. 31, 2024 66,927 $ 8 629,673 52 (562,806)
Beginning balance (in shares) at Jun. 30, 2024   70,914,000      
Beginning balance at Jun. 30, 2024 61,447 $ 7 593,253 (23) (531,790)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon release of stock awards (in shares)   22,000      
Issuance of common stock in connection with an equity sales agreement, net of issuance costs (in shares)   10,440,000      
Issuance of common stock in connection with an equity sales agreement, net of issuance costs 29,736 $ 1 29,735    
Stock-based compensation 2,708   2,708    
Net loss (20,640)       (20,640)
Other comprehensive income (loss) 149     149  
Ending balance (in shares) at Sep. 30, 2024   81,376,000      
Ending balance at Sep. 30, 2024 73,400 $ 8 625,696 126 (552,430)
Beginning balance (in shares) at Dec. 31, 2024   81,850,000      
Beginning balance at Dec. 31, 2024 $ 66,927 $ 8 629,673 52 (562,806)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon exercise of stock options (in shares) 339,142 339,000      
Issuance of common stock upon exercise of stock options $ 1,049   1,049    
Issuance of common stock upon release of stock awards (in shares)   696,000      
Issuance of common stock under employee stock purchase plan (in shares)   151,000      
Issuance of common stock under employee stock purchase plan 317   317    
Issuance of common stock in connection with an equity sales agreement, net of issuance costs (in shares)   7,245,000      
Issuance of common stock in connection with an equity sales agreement, net of issuance costs 16,442 $ 1 16,441    
Stock-based compensation 7,424   7,424    
Net loss (53,575)       (53,575)
Other comprehensive income (loss) (40)     (40)  
Ending balance (in shares) at Sep. 30, 2025   90,281,000      
Ending balance at Sep. 30, 2025 38,544 $ 9 654,904 12 (616,381)
Beginning balance (in shares) at Jun. 30, 2025   90,254,000      
Beginning balance at Jun. 30, 2025 55,631 $ 9 652,391 (3) (596,766)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon release of stock awards (in shares)   27,000      
Stock-based compensation 2,513   2,513    
Net loss (19,615)       (19,615)
Other comprehensive income (loss) 15     15  
Ending balance (in shares) at Sep. 30, 2025   90,281,000      
Ending balance at Sep. 30, 2025 $ 38,544 $ 9 $ 654,904 $ 12 $ (616,381)