Note 3 - Inventory - Major Classes of Inventory (Details) - USD ($)	Nov. 30, 2021	Nov. 30, 2020
Raw materials	$ 8,289,386	$ 5,878,050
Work in process	357,721	304,009
Finished goods	3,088,739	3,283,715
Total Gross Inventory	11,735,846	9,465,774
Less: Reserves	(2,525,743)	(1,703,374)
Net Inventory	$ 9,210,103	$ 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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