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Note 4 - Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($)
Oct. 31, 2024
Oct. 31, 2023
Property and equipment, gross $ 38,550,925 $ 38,741,003
Less accumulated amortization and depreciation (31,669,568) (31,601,387)
Property and equipment, net 6,881,357 7,139,616
Land and Land Improvements [Member]    
Property and equipment, gross 3,148,834 3,148,834
Building and Building Improvements [Member]    
Property and equipment, gross 8,305,039 8,305,039
Machinery and Equipment [Member]    
Property and equipment, gross 26,032,752 26,185,346
Furniture and Fixtures [Member]    
Property and equipment, gross 902,012 902,012
Construction in Progress [Member]    
Property and equipment, gross $ 162,288 $ 199,772