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Inventories (Details) (USD $)	Apr. 30, 2013	Oct. 31, 2012
Inventories [Abstract]
Finished goods	$ 5,599,845	$ 5,909,892
Work in process	4,381,781	3,220,423
Raw materials	9,303,526	9,106,277
Production supplies	183,192	227,427
Total	$ 19,468,344	$ 18,464,019

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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