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Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Gain (Loss)
Beginning Balance at Dec. 31, 2023 $ 8,157 $ 1 $ 154,218 $ (146,064) $ 2
Beginning Balance, Shares at Dec. 31, 2023   5,754,505      
Stock-based compensation expense 414   414    
Issuance of common shares from private placement (net of issuance costs), shares   4,985,610      
Issuance of common shares from private placement (net of issuance costs) 7,905 $ 2 7,903    
Issuance of warrants in connection with the private placement 660   660    
Unrealized gain (loss) on investments (19)       (19)
Net income (loss) 130     130  
Ending Balance at Mar. 31, 2024 17,247 $ 3 163,195 (145,934) (17)
Ending Balance, Shares at Mar. 31, 2024   10,740,115      
Beginning Balance at Dec. 31, 2023 8,157 $ 1 154,218 (146,064) 2
Beginning Balance, Shares at Dec. 31, 2023   5,754,505      
Net income (loss) (9,442)        
Ending Balance at Sep. 30, 2024 9,030 $ 3 164,529 (155,506) 4
Ending Balance, Shares at Sep. 30, 2024   10,761,917      
Beginning Balance at Mar. 31, 2024 17,247 $ 3 163,195 (145,934) (17)
Beginning Balance, Shares at Mar. 31, 2024   10,740,115      
Stock-based compensation expense 486   486    
Issuance of common stock from at-the-market offering (net of issuance costs), shares   8,950      
Issuance of common stock from at-the-market offering (net of issuance costs) 47   47    
Issuance of common stock from exercise of stock options, Shares   1,091      
Issuance of common stock from exercise of stock options 4   4    
Unrealized gain (loss) on investments 8       8
Net income (loss) (3,954)     (3,954)  
Ending Balance at Jun. 30, 2024 13,838 $ 3 163,732 (149,888) (9)
Ending Balance, Shares at Jun. 30, 2024   10,750,156      
Stock-based compensation expense 781   781    
Issuance of common stock from exercise of stock options, Shares   11,761      
Issuance of common stock from exercise of stock options 16   16    
Unrealized gain (loss) on investments 13       13
Net income (loss) (5,618)     (5,618)  
Ending Balance at Sep. 30, 2024 9,030 $ 3 164,529 (155,506) 4
Ending Balance, Shares at Sep. 30, 2024   10,761,917      
Beginning Balance at Dec. 31, 2024 14,410 $ 4 174,166 (159,764) 4
Beginning Balance, Shares at Dec. 31, 2024   13,481,917      
Stock-based compensation expense 549   549    
Issuance of common shares from underwritten public offering (net of issuance costs) 8   8    
Issuance of common stock from at-the-market offering (net of issuance costs), shares   490,073      
Issuance of common stock from at-the-market offering (net of issuance costs) 968   968    
Unrealized gain (loss) on investments (5)       (5)
Net income (loss) (5,042)     (5,042)  
Ending Balance at Mar. 31, 2025 10,888 $ 4 175,691 (164,806) (1)
Ending Balance, Shares at Mar. 31, 2025   13,971,990      
Beginning Balance at Dec. 31, 2024 $ 14,410 $ 4 174,166 (159,764) 4
Beginning Balance, Shares at Dec. 31, 2024   13,481,917      
Issuance of common stock from at-the-market offering (net of issuance costs), shares   861,652      
Issuance of common stock from at-the-market offering (net of issuance costs)   $ 2,000      
Issuance of common stock from exercise of stock options, Shares 15,187        
Net income (loss) $ (18,802)        
Ending Balance at Sep. 30, 2025 (268) $ 4 178,293 (178,566) 1
Ending Balance, Shares at Sep. 30, 2025   14,257,234      
Beginning Balance at Mar. 31, 2025 10,888 $ 4 175,691 (164,806) (1)
Beginning Balance, Shares at Mar. 31, 2025   13,971,990      
Stock-based compensation expense 1,174   1,174    
Unrealized gain (loss) on investments (3)       (3)
Net income (loss) (5,956)     (5,956)  
Ending Balance at Jun. 30, 2025 6,103 $ 4 176,865 (170,762) (4)
Ending Balance, Shares at Jun. 30, 2025   13,971,990      
Stock-based compensation expense 626   626    
Issuance of common stock from at-the-market offering (net of issuance costs), shares   270,057      
Issuance of common stock from at-the-market offering (net of issuance costs) 777   777    
Issuance of common stock from exercise of stock options, Shares   15,187      
Issuance of common stock from exercise of stock options 25   25    
Unrealized gain (loss) on investments 5       5
Net income (loss) (7,804)     (7,804)  
Ending Balance at Sep. 30, 2025 $ (268) $ 4 $ 178,293 $ (178,566) $ 1
Ending Balance, Shares at Sep. 30, 2025   14,257,234