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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)   576,000      
Issuance of common stock warrants in connection with debt issuance 859   859    
Stock-based compensation 3,171   3,171    
Net loss (11,505)       (11,505)
Other comprehensive loss (16)     (16)  
Ending balance (in shares) at Mar. 31, 2024   70,554,000      
Ending balance at Mar. 31, 2024 79,267 $ 7 588,311 (16) (509,035)
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)   652,000      
Stock-based compensation 2,379   2,379    
Net loss (20,688)       (20,688)
Other comprehensive loss (38)     (38)  
Ending balance (in shares) at Mar. 31, 2025   82,841,000      
Ending balance at Mar. 31, 2025 $ 49,629 $ 8 $ 633,101 $ 14 $ (583,494)