Note 6 - Inventory - Major Classes of Inventory (Details) - USD ($)	Feb. 28, 2023	Nov. 30, 2022
Raw materials	$ 9,600,930	$ 8,700,719
Work in process	529,812	624,781
Finished goods	3,134,526	3,029,099
Total Gross Inventory	13,265,268	12,354,599
Less: Reserves	1,660,507	1,743,047
Net Inventory	$ 11,604,761	$ 10,611,552

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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