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Note 10 - Segment Information (Details Textual)
1 Months Ended 3 Months Ended
Feb. 28, 2025
USD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Number of Reportable Segments   2  
Intangible Asset, Excluding Goodwill, after Accumulated Amortization   $ 38,946 $ 56,850
Number of Operating Segments   2  
Domain Name [Member]      
Proceeds from Sale of Intangible Assets $ 250,000    
Intangible Asset, Excluding Goodwill, after Accumulated Amortization $ 0