v3.26.1
Note 9 - Equity - Schedule of Dividends (Details) - USD ($)
 12 Months Ended
Dec. 22, 2025
Nov. 24, 2025
Aug. 22, 2025
Jul. 11, 2025
May 05, 2025
Mar. 17, 2025
Oct. 22, 2024
Oct. 01, 2024
Aug. 27, 2024
Mar. 06, 2024
Dec. 31, 2025
Dec. 31, 2024
Aug. 27, 2025
Oct. 03, 2024
Apr. 12, 2024
Deemed dividends on Series F and G Preferred Stock, Series B and F Warrants and warrant exchange                     $ 7,573,706 $ 17,756,454      
Series F Warrants [Member]                              
Warrants, triggered (in shares)         6,777,101   162,096 162,096 137,331 54,695          
Warrants, exercise price (in dollars per share)         $ 1.9445   $ 4 $ 20.19              
Warrant deemed dividend         $ 2,426,968   $ 64,007 $ 365,665 $ 216,546 $ 147,030   793,248      
Series F Warrants [Member] | After Round Down Trigger [Member]                              
Warrants, exercise price (in dollars per share)         $ 0.8294   $ 1.1 $ 4 $ 20.19 $ 30          
Series F Warrants [Member] | Minimum [Member]                              
Warrants, exercise price (in dollars per share)                   60.29 $ 0.8294        
Series F Warrants [Member] | Maximum [Member]                              
Warrants, exercise price (in dollars per share)                   $ 124.5 1.2546        
Series F Warrant Modification [Member]                              
Warrant deemed dividend         $ 108,468 [1]             7,752 [2]      
Series F Warrants after Modification [Member]                              
Deemed dividends on Series F and G Preferred Stock, Series B and F Warrants and warrant exchange                       17,756,454      
Series B Warrants [Member]                              
Warrants, exercise price (in dollars per share)               $ 25     0.8294     $ 1.9445  
Warrant deemed dividend         $ 2,426,968                    
Series B Warrants [Member] | Minimum [Member]                              
Warrants, exercise price (in dollars per share)                     0.8294        
Series B Warrants [Member] | Maximum [Member]                              
Warrants, exercise price (in dollars per share)                     $ 1.1        
Series F Preferred Stock and Series F Warrants After Modification [Member]                              
Deemed dividends on Series F and G Preferred Stock, Series B and F Warrants and warrant exchange                     $ 7,573,706        
Series F and G Convertible Preferred Stock [Member]                              
Preferred stock, triggered (in shares) 9,427 11,698 1,000 1,900 4,317 5,025                  
Convertible price (in dollars per share) $ 1.1347   $ 2.19                        
Preferred stock deemed dividend $ 1,097,536 $ 1,257,184 $ 130,710 $ 55,202 $ 1,105,871 $ 976,637         $ 4,623,140        
Series F and G Convertible Preferred Stock [Member] | After Round Down Trigger [Member]                              
Convertible price (in dollars per share) $ 0.9615 $ 1.1347 $ 1.8149 $ 1.1908 $ 0.8294 $ 1.2                  
Series F and G Convertible Preferred Stock [Member] | Minimum [Member]                              
Convertible price (in dollars per share)   2.3427   1.1938 1.1 2.2203                  
Series F and G Convertible Preferred Stock [Member] | Maximum [Member]                              
Convertible price (in dollars per share)   $ 1.23   $ 1.2546 $ 1.2036 $ 5.25                  
Series F Convertible Preferred Stock [Member]                              
Preferred stock, triggered (in shares) 4,232,630   456,621 1,551,243 1,551,243 1,045,402 5,200 5,200   3,945     3,755    
Convertible price (in dollars per share)     $ 2.19   $ 1.1   $ 4 $ 4 $ 20.19   $ 1.1164       $ 37
Preferred stock deemed dividend $ 276,317   $ 16,059 $ 6,555 $ 36,504 $ 79,695 $ 4,159,552 $ 6,459,543 $ 1,233,685 $ 5,102,674 $ 415,130 $ 16,955,454      
Series F Convertible Preferred Stock [Member] | After Round Down Trigger [Member]                              
Convertible price (in dollars per share) $ 0.9615   $ 1.8149 $ 1.1908 $ 0.8294 $ 1.2 $ 1.1 $ 4 $ 20.19 $ 30          
Series F Convertible Preferred Stock [Member] | Minimum [Member]                              
Convertible price (in dollars per share) 1.1347     1.19   2.22   12 23.15            
Series F Convertible Preferred Stock [Member] | Maximum [Member]                              
Convertible price (in dollars per share) $ 2.3427     $ 1.25   $ 2.25   $ 20.19 $ 37            
[1] Reflects the fair value of 88,908 shares of common stock issued for no consideration in exchange for 125,362 Series F warrants in connection with the Series B Amendment (see Note 8).
[2] On May 31, 2024, the Company agreed to reduce the exercise price of a warrant held by Alpha originally issued in June 2023 from $380.00 to $30.00. As result, the Company recorded a deemed dividend of $7,752 for the incremental value due to the modification.