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Inventories (Details) (USD $)	Nov. 30, 2013	Feb. 28, 2013
Inventories Tables
Finished goods	$ 673,780	$ 1,073,492
Work in process	516,795	385,092
Consignment	8,943	9,728
Raw materials	1,110,838	561,298
Total	2,310,356	2,029,610
Less: Allowance	263,782	200,439
Net inventories	$ 2,046,574	$ 1,829,171

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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