Note 6 - Inventory - Major Classes of Inventory (Details) - USD ($)	May 31, 2022	Nov. 30, 2021
Raw materials	$ 9,505,663	$ 8,289,386
Work in process	414,158	357,721
Finished goods	2,918,826	3,088,739
Total Gross Inventory	12,838,647	11,735,846
Less: Reserves	(1,951,452)	(2,525,743)
Net Inventory	$ 10,887,195	$ 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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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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