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Note 5 - Property, Plant and Equipment - Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Oct. 31, 2022
Oct. 31, 2021
Property, plant and equipment, gross $ 77,721 $ 67,295
Less: accumulated depreciation (51,902) (48,559)
Property and equipment, net 25,819 18,736
Land and Land Improvements [Member]    
Property, plant and equipment, gross 1,639 1,639
Building [Member]    
Property, plant and equipment, gross 9,497 9,497
Building Improvements [Member]    
Property, plant and equipment, gross 22,220 15,478
Furniture and Fixtures [Member]    
Property, plant and equipment, gross 4,363 4,214
Equipment, Including Capitalized Software [Member]    
Property, plant and equipment, gross $ 40,002 $ 36,467