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Note 3 - Inventories - Components of Inventories (Details) - USD ($)
Oct. 31, 2017
Oct. 31, 2016
Finished goods $ 5,869,269 $ 4,657,779
Work in process 2,507,434 2,591,885
Raw materials 8,108,433 7,515,717
Production supplies 296,313 258,585
Total $ 16,781,449 $ 15,023,966