v3.26.1
Condensed Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($)
Preferred Stock [Member]
Series C Preferred Stock [Member]
Preferred Stock [Member]
Series L Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Series L Preferred Stock [Member]
Total
Mezzanine Equity [Member]
Series L Preferred Stock [Member]
Balance at Dec. 31, 2024 $ 1,000   $ 2,000 $ 693,554,000 $ (695,227,000)   $ (1,670,000)  
Balance, shares at Dec. 31, 2024 96,230   2,234,328          
Mezzanine equity balance, shares at Dec. 31, 2024              
Mezzanine equity balance at Dec. 31, 2024              
Series L convertible preferred stock and warrants issued for cash, net   3,389,000   3,389,000 $ 2,052,000
Series L convertible preferred stock and warrants issued for cash, net, shares               6,611
Conversion of Series L convertible preferred stock into common stock   96,000   96,000 $ (96,000)
Conversion of Series L convertible preferred stock into common stock, shares     151,598         (310)
Dividend on Series L convertible preferred stock   (85,000)   (85,000)  
Fair value of vested stock options   7,000   7,000  
Net loss   (30,945,000)   (30,945,000)  
Exercise of warrants for cash and inducement warrants, net   $ 1,000 1,051,000   1,052,000  
Exercise of warrants for cash and inducement warrants, net, shares     537,069          
Issuance and exercise of prefunded warrants for ELOC fee   672,000   672,000  
Issuance and exercise of prefunded warrants for ELOC fee, shares     300,000          
Issuance of common stock and warrants for services   718,000   718,000  
Issuance of common stock and warrants for services, shares     50,000          
Issuance of warrants for VRT waiver   44,000   44,000  
Issuance of prefunded warrants in settlement of vendor payable   847,000   847,000  
Balance at Jun. 30, 2025 $ 1,000   $ 3,000 700,378,000 (726,257,000)   (25,875,000)  
Balance, shares at Jun. 30, 2025 96,230   3,272,995          
Mezzanine equity balance, shares at Jun. 30, 2025               6,301
Mezzanine equity balance at Jun. 30, 2025               $ 1,956,000
Balance at Mar. 31, 2025 $ 1,000   $ 3,000 695,019,000 (696,003,000)   (980,000)  
Balance, shares at Mar. 31, 2025 96,230   2,536,397          
Mezzanine equity balance, shares at Mar. 31, 2025              
Mezzanine equity balance at Mar. 31, 2025              
Series L convertible preferred stock and warrants issued for cash, net   3,389,000   3,389,000 $ 2,052,000
Series L convertible preferred stock and warrants issued for cash, net, shares               6,611
Conversion of Series L convertible preferred stock into common stock   96,000   96,000 $ (96,000)
Conversion of Series L convertible preferred stock into common stock, shares     151,598         (310)
Dividend on Series L convertible preferred stock   (85,000)   (85,000)  
Fair value of vested stock options   4,000   4,000  
Net loss   (30,169,000)   (30,169,000)  
Exercise of warrants for cash and inducement warrants, net   436,000   436,000  
Exercise of warrants for cash and inducement warrants, net, shares     235,000          
Issuance and exercise of prefunded warrants for ELOC fee   672,000   672,000  
Issuance and exercise of prefunded warrants for ELOC fee, shares     300,000          
Issuance of common stock and warrants for services   718,000   718,000  
Issuance of common stock and warrants for services, shares     50,000          
Issuance of warrants for VRT waiver   44,000   44,000  
Balance at Jun. 30, 2025 $ 1,000   $ 3,000 700,378,000 (726,257,000)   (25,875,000)  
Balance, shares at Jun. 30, 2025 96,230   3,272,995          
Mezzanine equity balance, shares at Jun. 30, 2025               6,301
Mezzanine equity balance at Jun. 30, 2025               $ 1,956,000
Balance at Dec. 31, 2025 $ 1,000 $ 26,000 729,661,000 (723,901,000)   5,787,000  
Balance, shares at Dec. 31, 2025 96,230 3,642 25,534,173          
Exercise of warrants for cash, net $ 2,000 575,000   577,000  
Exercise of warrants for cash, net, shares     1,523,816          
Issuance of prefunded warrants for services 164,000   164,000  
Series L convertible preferred stock and warrants issued for cash, net 4,300,000   4,300,000  
Series L convertible preferred stock and warrants issued for cash, net, shares   4,952            
Conversion of Series L convertible preferred stock into common stock $ 17,000 (17,000)      
Conversion of Series L convertible preferred stock into common stock, shares   (7,956) 17,168,216          
Dividend on Series L convertible preferred stock 177,000 (177,000) $ (177,000)  
Dividend on Series L convertible preferred stock, shares     442,764          
Fair value of vested stock options 92,000   92,000  
Net loss (7,351,000)   (7,351,000)  
Balance at Jun. 30, 2026 $ 1,000 $ 45,000 734,952,000 (731,429,000)   3,569,000  
Balance, shares at Jun. 30, 2026 96,230 638 44,668,969          
Balance at Mar. 31, 2026 $ 1,000 $ 35,000 734,381,000 (726,837,000)   7,580,000  
Balance, shares at Mar. 31, 2026 96,230 4,343 35,181,846          
Exercise of warrants for cash, net $ 1,000 (1,000)    
Exercise of warrants for cash, net, shares     400,000          
Issuance of prefunded warrants for services 164,000   164,000  
Series L convertible preferred stock and warrants issued for cash, net 297,000   297,000  
Series L convertible preferred stock and warrants issued for cash, net, shares   341            
Conversion of Series L convertible preferred stock into common stock $ 9,000 (9,000)    
Conversion of Series L convertible preferred stock into common stock, shares   (4,046) 8,912,108          
Dividend on Series L convertible preferred stock 74,000 (74,000)    
Dividend on Series L convertible preferred stock, shares     175,015          
Fair value of vested stock options 46,000   46,000  
Net loss (4,518,000)   (4,518,000)  
Balance at Jun. 30, 2026 $ 1,000 $ 45,000 $ 734,952,000 $ (731,429,000)   $ 3,569,000  
Balance, shares at Jun. 30, 2026 96,230 638 44,668,969