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Note 3 - Inventories and Major Vendors (Details Textual) - Supplier Concentration Risk [Member] - Inventory Purchases [Member]
12 Months Ended
Oct. 31, 2024
Oct. 31, 2024
Oct. 31, 2023
Number of Major Vendors 0    
Vendors [Member]      
Concentration Risk, Percentage   10.00%  
One Vendor [Member]      
Number of Major Vendors     1
Concentration Risk, Percentage     15.00%