Note 4 - Inventory - Major Classes of Inventory (Details) - USD ($)	Feb. 29, 2016	Nov. 30, 2015
Raw materials	$ 9,696,375	$ 10,058,894
Work in process	256,922	458,526
Finished goods	7,811,699	8,204,843
Inventory, gross	17,764,996	18,722,263
Less: Reserves	(3,080,791)	(3,023,179)
Inventory, net	$ 14,684,205	$ 15,699,084

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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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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

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