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Note 4 - Inventories (Details) - Components of Inventories (USD $)	Apr. 30, 2014	Oct. 31, 2013
Components of Inventories [Abstract]
Finished goods	$ 5,236,270	$ 5,569,539
Work in process	4,028,446	3,617,124
Raw materials	8,927,625	8,828,072
Production supplies	280,293	219,544
Total	$ 18,472,634	$ 18,234,279

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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