Note 7 - Inventory - Major Classes of Inventory (Details) - USD ($)	Aug. 31, 2023	Nov. 30, 2022
Raw materials	$ 8,839,416	$ 8,174,519
Work in process	267,891	371,125
Finished goods	3,129,347	2,622,142
Total Gross Inventory	12,236,654	11,167,786
Less: Reserves	(1,409,997)	(1,561,078)
Net Inventory	$ 10,826,657	$ 9,606,708

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 of valuation reserve for inventory.

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