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Note 4 - Inventories - Components of Inventories (Details) - USD ($)
Jan. 31, 2016
Oct. 31, 2015
Finished goods $ 5,995,072 $ 6,116,989
Work in process 2,386,214 2,918,803
Raw materials 8,943,510 8,514,718
Production supplies 278,536 265,570
Total $ 17,603,332 $ 17,816,080