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Note 17 - Subsequent Events (Details Textual) - USD ($)
Jul. 15, 2025
Apr. 01, 2024
Jun. 30, 2025
Conversion of Series A Preferred Stock into Common Stock [Member]      
Conversion of Stock, Amount Converted   $ 11,400,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share)   $ 2.1  
Series A Preferred Stock [Member]      
Preferred Stock, Stated Value Per Share (in dollars per share)   $ 1,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share)     $ 2.1
Subsequent Event [Member]      
Agreements, Period for Registration Statement (Day) 45 days    
Agreements, Registration Statement, Effective Date Period (Day) 45 days    
Agreements, Registration Statement, Effective Date Period, Comments (Day) 90 days    
Agreements, Registration Statement, Effective With SEC Period (Year) 3 years    
Subsequent Event [Member] | Conversion of Series A Preferred Stock into Common Stock [Member] | Harvest Funds [Member]      
Conversion of Stock, Amount Converted $ 4,500,000    
Conversion of Stock, Shares Issued (in shares) 3,000,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 1.5    
Subsequent Event [Member] | Conversion of Series A Preferred Stock into Common Stock [Member] | Trinad Capital Master Fund Ltd. [Member]      
Conversion of Stock, Amount Converted $ 2,250,000    
Conversion of Stock, Shares Issued (in shares) 1,500,000    
Subsequent Event [Member] | Series A Preferred Stock [Member]      
Preferred Stock, Stated Value Per Share (in dollars per share) $ 1,000    
Subsequent Event [Member] | Underwriter's Warrants [Member]      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Percentage of Offering 4.00%    
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 0.9375    
Subsequent Event [Member] | Common Stock Warrants [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 0.01    
Warrants and Rights Outstanding, Term (Year) 3 years    
Subsequent Event [Member] | Common Stock Warrants [Member] | Harvest Funds [Member]      
Class of Warrant or Right, Issued (in shares) 3,000,000    
Subsequent Event [Member] | Common Stock Warrants [Member] | Trinad Capital Master Fund Ltd. [Member]      
Class of Warrant or Right, Issued (in shares) 1,500,000    
Underwriting Agreement [Member] | Subsequent Event [Member]      
Stock Issued During Period, Shares, New Issues (in shares) 13,608,334    
Shares Issued, Price Per Share (in dollars per share) $ 0.75    
Proceeds from Issuance of Common Stock $ 9,500,000    
Underwriting Discount 7.00%    
Over-Allotment Option [Member] | Subsequent Event [Member]      
Stock Issued During Period, Shares, New Issues (in shares) 1,775,000