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Note 10 - Segment Information (Details Textual)
9 Months Ended
Sep. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Number of Operating Segments 2  
Intangible Assets, Net (Excluding Goodwill) $ 1,504,018 $ 1,956,304
Number of Reportable Segments 2  
Domain Name [Member]    
Proceeds from Sale of Intangible Assets $ 250,000  
Intangible Assets, Net (Excluding Goodwill) $ 0