Note 2 - Significant Accounting Policies - Inventories (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Raw materials	$ 13,787	$ 14,992
Work in process	611	750
Finished goods	2,022	203
Subtotal	16,420	15,945
Less allowance	879	1,207
Inventories	$ 15,541	$ 14,738

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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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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