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Note 5 - Intangible Assets (Details Textual) - USD ($)
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Amortization of Intangible Assets $ 54,062 $ 53,941
Finite-Lived Intangible Asset, Expected Amortization, Year One 54,000  
Finite-Lived Intangible Asset, Expected Amortization, Year Two 54,000  
Finite-Lived Intangible Asset, Expected Amortization, Year Three 54,000  
Finite-Lived Intangible Asset, Expected Amortization, Year Four 54,000  
Finite-Lived Intangible Asset, Expected Amortization, Year Five 54,000  
Finite-Lived Intangible Assets, Gross 879,963 868,564
Finite-Lived Intangible Assets, Accumulated Amortization $ 367,989 $ 313,927