Annual report [Section 13 and 15(d), not S-K Item 405]

Note 17 - Warrants (Details Textual)

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Note 17 - Warrants (Details Textual) - $ / shares
 12 Months Ended 37 Months Ended
Dec. 09, 2022
Dec. 31, 2024
Dec. 31, 2023
Jun. 30, 2024
Dec. 31, 2022
Class of Warrant or Right, Outstanding (in shares)   8,809,520 7,569,572   7,654,572
The Underwriter Warrants [Member]          
Class of Warrant or Right, Outstanding (in shares)   144,000 144,000    
The Underwriter Warrants [Member] | Maxim Group LLC [Member]          
Class of Warrant or Right, Issued During Period (in shares)       144,000  
Warrants and Rights Outstanding, Term (Year)       5 years  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)       $ 5.5  
Public Offering Price Percentage       110.00%  
December Offering Warrants [Member]          
Class of Warrant or Right, Issued During Period (in shares) 4,575,429        
Warrants and Rights Outstanding, Term (Year) 3 years        
Class of Warrant or Right, Issued During Period, Price Per Warrant (in dollars per share) $ 1.75        
December 2022 Private Placement [Member] | Dawson James [Member]          
Warrants and Rights Outstanding, Term (Year) 3 years        
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 1.75        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) 549,051        
Placement Agent Warrants [Member]          
Class of Warrant or Right, Outstanding (in shares)   1,187,035 549,051    
Stock Based Compensation Warrants [Member]          
Class of Warrant or Right, Issued During Period (in shares)   0      
Class of Warrant or Right, Outstanding (in shares)   20,000 20,000    
Class of Warrant or Right, Issued During Period, Price Per Warrant (in dollars per share)     $ 1.6    
Share Price (in dollars per share)     $ 1.6    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate     507.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)     3 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate     4.47%    
Registered Warrants [Member]          
Class of Warrant or Right, Outstanding (in shares)   2,386,092 2,386,092