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CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY/(DEFICIT) (UNAUDITED) - USD ($)
Total
Convertible Preferred Stock [Member]
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Lincoln Park Purchase Agreement
Lincoln Park Purchase Agreement
Common Stock [Member]
Lincoln Park Purchase Agreement
Additional Paid-in Capital [Member]
Balance at Dec. 31, 2023 $ (1,348,000)   $ 5,000 $ (126,000) $ 479,274,000 $ (480,501,000)      
Balance (in shares) at Dec. 31, 2023   1,952 4,522,656            
Balance, Treasury (in shares) at Dec. 31, 2023       (78,559)          
Stock-based compensation 146,000       146,000        
Purchase of treasury stock (374,000)     $ (374,000)          
Purchase of treasury stock (in Shares)       (179,866)          
Net loss (3,261,000)         (3,261,000)      
Balance at Mar. 31, 2024 (4,837,000)   $ 5,000 $ (500,000) 479,420,000 (483,762,000)      
Balance (in shares) at Mar. 31, 2024   1,952 4,522,656            
Balance, Treasury (in shares) at Mar. 31, 2024       (258,425)          
Balance at Dec. 31, 2023 (1,348,000)   $ 5,000 $ (126,000) 479,274,000 (480,501,000)      
Balance (in shares) at Dec. 31, 2023   1,952 4,522,656            
Balance, Treasury (in shares) at Dec. 31, 2023       (78,559)          
Net loss (9,075,000)                
Balance at Sep. 30, 2024 (5,174,000)   $ 6,000 $ (500,000) 484,896,000 (489,576,000)      
Balance (in shares) at Sep. 30, 2024   1,952 6,154,758            
Balance, Treasury (in shares) at Sep. 30, 2024       (258,425)          
Balance at Mar. 31, 2024 (4,837,000)   $ 5,000 $ (500,000) 479,420,000 (483,762,000)      
Balance (in shares) at Mar. 31, 2024   1,952 4,522,656            
Balance, Treasury (in shares) at Mar. 31, 2024       (258,425)          
Stock-based compensation 151,000       151,000        
Issuance of common stock 1,000   $ 1,000            
Issuance of common stock (in shares)     1,439,988            
Net loss (2,940,000)         (2,940,000)      
Balance at Jun. 30, 2024 (7,625,000)   $ 6,000 $ (500,000) 479,571,000 (486,702,000)      
Balance (in shares) at Jun. 30, 2024   1,952 5,962,644            
Balance, Treasury (in shares) at Jun. 30, 2024       (258,425)          
Stock-based compensation 125,000       125,000        
Exercise of pre-funded warrants (in Shares)     192,114            
Reclassification of warrants to equity 5,200,000       5,200,000        
Net loss (2,874,000)         (2,874,000)      
Balance at Sep. 30, 2024 (5,174,000)   $ 6,000 $ (500,000) 484,896,000 (489,576,000)      
Balance (in shares) at Sep. 30, 2024   1,952 6,154,758            
Balance, Treasury (in shares) at Sep. 30, 2024       (258,425)          
Balance at Dec. 31, 2024 $ (8,949,000)   $ 6,000 $ (500,000) 485,024,000 (493,479,000)      
Balance (in shares) at Dec. 31, 2024   1,952 6,154,758            
Balance, Treasury (in shares) at Dec. 31, 2024 258,425     (258,425)          
Stock-based compensation $ 148,000       148,000        
Exercise of pre-funded warrants     $ 7,000   (7,000)        
Exercise of pre-funded warrants (in Shares)     6,535,731            
Exercise of Series B Warrants from May 2024 PIPE 882,000       882,000        
Exercise of Series B Warrants from May 2024 PIPE (in shares)     497,824            
Exchange of warrants for notes payable (3,694,000)       (3,694,000)        
Issuance of common stock, pre-funded warrants and warrants for debt repayment 5,373,000   $ 4,000   5,369,000        
Issuance of common stock, pre-funded warrants and warrants for debt repayment (in shares)     4,069,738            
Net loss (17,401,000)         (17,401,000)      
Balance at Mar. 31, 2025 (23,641,000)   $ 17,000 $ (500,000) 487,722,000 (510,880,000)      
Balance (in shares) at Mar. 31, 2025   1,952 17,258,051            
Balance, Treasury (in shares) at Mar. 31, 2025       (258,425)          
Balance at Dec. 31, 2024 $ (8,949,000)   $ 6,000 $ (500,000) 485,024,000 (493,479,000)      
Balance (in shares) at Dec. 31, 2024   1,952 6,154,758            
Balance, Treasury (in shares) at Dec. 31, 2024 258,425     (258,425)          
Net loss $ (16,673,000)                
Balance at Sep. 30, 2025 $ 5,054,000   $ 132,000 $ (500,000) 515,574,000 (510,152,000)      
Balance (in shares) at Sep. 30, 2025   1,952 131,863,969            
Balance, Treasury (in shares) at Sep. 30, 2025 258,425     (258,425)          
Balance at Mar. 31, 2025 $ (23,641,000)   $ 17,000 $ (500,000) 487,722,000 (510,880,000)      
Balance (in shares) at Mar. 31, 2025   1,952 17,258,051            
Balance, Treasury (in shares) at Mar. 31, 2025       (258,425)          
Stock-based compensation 152,000       152,000        
Exercise or exchange of March 2025 Series A and B Warrants 858,000   $ 56,000   802,000        
Exercise or exchange of March 2025 Series A and B Warrants (in Shares)     56,277,032            
Exercise of pre-funded warrants     $ 9,000   (9,000)        
Exercise of pre-funded warrants (in Shares)     9,016,349            
Cancellation of common stock (in Shares)     (300,000)            
Issuance of common stock             $ 2,746,000 $ 10,000 $ 2,736,000
Issuance of common stock (in shares)               10,187,000  
Reclassification of warrants to equity 10,967,000       10,967,000        
Modification of warrants (Note 13) 6,801,000       6,801,000        
Net loss 5,151,000         5,151,000      
Balance at Jun. 30, 2025 3,034,000   $ 92,000 $ (500,000) 509,171,000 (505,729,000)      
Balance (in shares) at Jun. 30, 2025   1,952 92,438,432            
Balance, Treasury (in shares) at Jun. 30, 2025       (258,425)          
Stock-based compensation 527,000       527,000        
Exercise of March 2025 Series B Warrants (in Shares)     741,840            
Exercise of pre-funded warrants     $ 8,000   (8,000)        
Exercise of pre-funded warrants (in Shares)     7,767,941            
Cancelled common stock     $ (3,000)   3,000        
Cancellation of common stock (in Shares)     (3,472,740)            
Issuance of common stock 16,850,000   $ 35,000   16,815,000        
Issuance of common stock (in shares)     34,388,496            
Investor fees pursuant to Support Letters (Note 13) (2,250,000)       (2,250,000)        
Liability to investors pursuant to Letter Agreement (Note 13) (8,684,000)       (8,684,000)        
Net loss (4,423,000)         (4,423,000)      
Balance at Sep. 30, 2025 $ 5,054,000   $ 132,000 $ (500,000) $ 515,574,000 $ (510,152,000)      
Balance (in shares) at Sep. 30, 2025   1,952 131,863,969            
Balance, Treasury (in shares) at Sep. 30, 2025 258,425     (258,425)