Note 6 - Inventory - Major Classes of Inventory (Details) - USD ($)	Feb. 28, 2022	Nov. 30, 2021
Raw materials	$ 8,418,441	$ 8,289,386
Work in process	545,922	357,721
Finished goods	2,934,401	3,088,739
Total Gross Inventory	11,898,764	11,735,846
Less: Reserves	(2,198,449)	(2,525,743)
Net Inventory	$ 9,700,315	$ 9,210,103

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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