Note 4 - Inventories - Components of Inventories (Details) - USD ($)	Jan. 31, 2022	Oct. 31, 2021
Finished goods	$ 3,793,054	$ 4,211,098
Work in process	4,400,300	4,023,693
Raw materials	9,355,877	7,763,325
Production supplies	357,672	305,692
Total	$ 17,906,903	$ 16,303,808

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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