v3.26.1
Note 1 - Description of the Business and Basis of Presentation (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
May 28, 2026
Mar. 05, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Jun. 26, 2022
Net Income (Loss) Attributable to Parent     $ (15,386,729) $ (1,280,376) $ (13,966,367) $ 5,779,663      
Equity Securities, FV-NI, Unrealized Gain (Loss)         (3,359,546)        
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation         (8,372,751) $ (4,039,685)      
Working Capital (Deficit)     23,720,063   23,720,063        
Retained Earnings (Accumulated Deficit)     (246,589,767)   (246,589,767)     $ (231,234,641)  
Cash     $ 15,910,228   15,910,228     $ 29,858,655  
Series F and G Convertible Preferred Stock [Member]                  
Proceeds from Issuance or Sale of Equity         $ 8,250,000        
Series G Convertible Preferred Stock [Member]                  
Proceeds from Issuance or Sale of Equity $ 5,000,000 $ 2,250,000              
Preferred Stock, Capital Shares Reserved for Future Issuance (in shares)     80,750   80,750        
Preferred Stock, Stated Value Per Share (in dollars per share)     $ 1,000   $ 1,000        
Series F Convertible Preferred Stock [Member]                  
Preferred Stock, Capital Shares Reserved for Future Issuance (in shares)     0   0        
Preferred Stock, Stated Value Per Share (in dollars per share)     $ 1,000   $ 1,000   $ 1,000   $ 1,000