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CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Preferred Stock
Common Stock
Additional Paid-In Capital
Additional Paid-In Capital
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Gain (Loss)
Accumulated Deficit
Accumulated Deficit
Cumulative Effect, Period of Adoption, Adjustment
Balance, beginning (in shares) at Dec. 31, 2023   61,000 44,677,000          
Balance, beginning at Dec. 31, 2023 $ 69,739   $ 4 $ 409,343 $ (793) $ (67) $ (339,541) $ 793
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock-based compensation 1,124     1,124        
Issuance of common stock upon exercise of stock options (in shares)     33,000          
Issuance of common stock upon exercise of stock options 107     107        
Other comprehensive gain (loss) (65)         (65)    
Net loss (10,011)           (10,011)  
Balance, ending (in shares) at Mar. 31, 2024   61,000 44,710,000          
Balance, ending at Mar. 31, 2024 $ 60,894   $ 4 409,781   (132) (348,759)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Accounting Standards Update [Extensible Enumeration] us-gaap:AccountingStandardsUpdate202006Member              
Balance, beginning (in shares) at Dec. 31, 2023   61,000 44,677,000          
Balance, beginning at Dec. 31, 2023 $ 69,739   $ 4 409,343 $ (793) (67) (339,541) $ 793
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net loss (33,644)              
Balance, ending (in shares) at Sep. 30, 2024   61,000 48,731,000          
Balance, ending at Sep. 30, 2024 49,392   $ 5 421,697   82 (372,392)  
Balance, beginning (in shares) at Mar. 31, 2024   61,000 44,710,000          
Balance, beginning at Mar. 31, 2024 60,894   $ 4 409,781   (132) (348,759)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Issuance of common stock, net of expenses (in shares) [1]     792,000          
Issuance of common stock, net of expenses [1] 1,805   $ 1 1,804        
Stock-based compensation 1,179     1,179        
Issuance of common stock upon exercise of stock options (in shares)     100,000          
Issuance of common stock upon exercise of stock options 253     253        
Other comprehensive gain (loss) 35         35    
Net loss (11,778)           (11,778)  
Balance, ending (in shares) at Jun. 30, 2024   61,000 45,602,000          
Balance, ending at Jun. 30, 2024 52,388   $ 5 413,017   (97) (360,537)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Issuance of common stock, net of expenses (in shares) [2]     3,129,000          
Issuance of common stock, net of expenses [2] 7,427     7,427        
Stock-based compensation 1,253     1,253        
Other comprehensive gain (loss) 179         179    
Net loss (11,855)           (11,855)  
Balance, ending (in shares) at Sep. 30, 2024   61,000 48,731,000          
Balance, ending at Sep. 30, 2024 49,392   $ 5 421,697   82 (372,392)  
Balance, beginning (in shares) at Dec. 31, 2024   61,000 66,524,000          
Balance, beginning at Dec. 31, 2024 82,949   $ 7 467,087   34 (384,179)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock-based compensation 1,365     1,365        
Issuance of common stock upon exercise of stock options (in shares)     2,000          
Issuance of common stock upon exercise of stock options 3     3        
Other comprehensive gain (loss) (7)         (7)    
Net loss (13,434)           (13,434)  
Balance, ending (in shares) at Mar. 31, 2025   61,000 66,526,000          
Balance, ending at Mar. 31, 2025 70,876   $ 7 468,455   27 (397,613)  
Balance, beginning (in shares) at Dec. 31, 2024   61,000 66,524,000          
Balance, beginning at Dec. 31, 2024 $ 82,949   $ 7 467,087   34 (384,179)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Issuance of common stock upon cashless exercise of warrants 553,318              
Net loss $ (38,635)              
Balance, ending (in shares) at Sep. 30, 2025 61,000   67,095,000          
Balance, ending at Sep. 30, 2025 $ 48,790   $ 7 471,547   50 (422,814)  
Balance, beginning (in shares) at Mar. 31, 2025   61,000 66,526,000          
Balance, beginning at Mar. 31, 2025 70,876   $ 7 468,455   27 (397,613)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock-based compensation 1,683     1,683        
Other comprehensive gain (loss) (10)         (10)    
Net loss (13,943)           (13,943)  
Balance, ending (in shares) at Jun. 30, 2025   61,000 66,526,000          
Balance, ending at Jun. 30, 2025 58,606   $ 7 470,138   17 (411,556)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock-based compensation 1,384     1,384        
Issuance of common stock upon cashless exercise of warrants     553,000          
Issuance of common stock upon exercise of stock options (in shares)     16,000          
Issuance of common stock upon exercise of stock options 25     25        
Other comprehensive gain (loss) 33         33    
Net loss $ (11,258)           (11,258)  
Balance, ending (in shares) at Sep. 30, 2025 61,000   67,095,000          
Balance, ending at Sep. 30, 2025 $ 48,790   $ 7 $ 471,547   $ 50 $ (422,814)  
[1] Net of expenses of $197,000.
[2] Net of expenses of $285,000.