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Note 4 - Inventories - Components of Inventories (Details) - USD ($)
Jul. 31, 2015
Oct. 31, 2014
Finished goods $ 5,670,645 $ 5,378,114
Work in process 2,870,637 3,210,955
Raw materials 9,812,315 8,663,755
Production supplies 267,501 265,295
Total $ 18,621,098 $ 17,518,119