Note 6 - Balance Sheet - Schedule of Inventories (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Jan. 31, 2023
Raw materials	$ 8,341	$ 8,480
Finished goods	3,657	4,156
Work in progress	4,079	4,422
Cost of inventories	16,077	17,058
Less allowance for obsolescence	(1,738)	(1,740)
Total inventories, net	$ 14,339	$ 15,318

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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