Note 6 - Balance Sheet - Continuing Operations - Schedule of Inventories (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Jan. 31, 2022
Raw materials	$ 8,005	$ 8,511
Finished goods	4,300	3,806
Work in progress	3,838	3,567
Cost of inventories	16,143	15,884
Less allowance for obsolescence	(1,900)	(1,878)
Total inventories, net	$ 14,243	$ 14,006

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 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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