Unaudited Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Income Statement [Abstract]
Net sales	$ 34,943	$ 32,084
Costs of goods sold	21,741	22,377
Gross profit	13,202	9,707
Selling, general and administrative expenses	14,514	14,451
Operating loss	(1,312)	(4,744)
Unrealized gain (loss) on investment in trust account	(299)	0
Pension expense	161	195
Interest expense	712	427
Loss before income taxes	(1,886)	(5,366)
Income tax benefit	(444)	(282)
Net loss	$ (1,442)	$ (5,084)
Net loss per common share:
Basic (usd per share)	$ (0.09)	$ (0.32)
Diluted (usd per share)	$ (0.09)	$ (0.32)
Weighted average shares of common stock outstanding:
Basic (shares)	16,211	16,033
Diluted (shares)	16,211	16,033