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Note 12 - Preferred Stock - Schedule of Conversions (Details) - shares
9 Months Ended
Jan. 24, 2025
Jul. 24, 2024
Jul. 23, 2024
Jul. 22, 2024
Jul. 11, 2024
Jul. 01, 2024
Jul. 05, 2023
Sep. 30, 2025
Series A Convertible Preferred Stock [Member]                
Shares converted (in shares) 875 875 400 1,000 1,000 1,303 1,750  
Common shares issued (in shares) 2,877 2,877 1,315 3,289 3,288 4,285 5,755  
Series B Convertible Preferred Stock [Member]                
Shares converted (in shares)               771
Common shares issued (in shares)               115,913