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Note 1 - Description of the Business and Basis of Presentation (Details Textual)
3 Months Ended 6 Months Ended
Oct. 03, 2024
$ / shares
Feb. 08, 2024
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
$ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares $ 0.001 $ 0.001 $ 0.001   $ 0.001   $ 0.001
Net Income (Loss) Attributable to Parent     $ (1,280,376) $ (2,929,708) $ 5,779,663 $ (9,245,295)  
Fair Value Adjustment of Warrants     (726,000) $ (0) (8,506,000) (0)  
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation         (4,039,685) $ (2,983,430)  
Working Capital (Deficit)     9,105,278   9,105,278    
Retained Earnings (Accumulated Deficit)     $ (217,335,698)   $ (217,335,698)   $ (218,381,218)
Reverse Stock Split [Member]              
Stockholders' Equity Note, Stock Split, Conversion Ratio 50 20