Note 4 - Inventory - Major Classes of Inventory (Details) - USD ($)	Nov. 30, 2023	Nov. 30, 2022
Raw materials	$ 8,860,296	$ 8,174,519
Work in process	281,760	371,125
Finished goods	3,472,354	2,622,142
Total Gross Inventory	12,614,410	11,167,786
Less: Reserves	(1,583,048)	(1,561,078)
Net Inventory	$ 11,031,362	$ 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 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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