Note 4 - Inventory - Major Classes of Inventory (Details) - USD ($)	May 31, 2016	Nov. 30, 2015
Raw materials	$ 9,354,426	$ 10,058,894
Work in process	531,369	458,526
Finished goods	7,560,530	8,204,843
Inventory, gross	17,446,325	18,722,263
Less: Reserves	(2,953,356)	(3,023,179)
Inventory, net	$ 14,492,969	$ 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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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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-Name Accounting Standards Codification
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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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