Note 6 - Inventory - Major Classes of Inventory (Details) - USD ($)	Aug. 31, 2021	Nov. 30, 2020
Raw materials	$ 8,801,878	$ 7,086,367
Work in process	457,739	304,009
Finished goods	3,239,777	3,777,136
Total Gross Inventory	12,499,394	11,167,512
Less: Reserves	(3,210,531)	(3,405,112)
Net Inventory	$ 9,288,863	$ 7,762,400

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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