Inventories (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Jan. 31, 2023
Inventories
Raw materials	$ 29,473	$ 29,036
Work-in-process	992	952
Finished goods	32,378	32,855
Excess and obsolete reserves	(4,947)	(4,668)
Inventories, net	$ 57,896	$ 58,176

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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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