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Note 4 - Inventories - Components of Inventories (Details) (USD $)	Jan. 31, 2015	Oct. 31, 2014
Finished goods	$ 5,950,882	$ 5,378,114
Work in process	2,898,225	3,210,955
Raw materials	9,298,334	8,663,755
Production supplies	255,169us-gaap_InventorySuppliesNetOfReserves	265,295us-gaap_InventorySuppliesNetOfReserves
Total	$ 18,402,610us-gaap_InventoryNet	$ 17,518,119us-gaap_InventoryNet

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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