Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Net sales	$ 36,667	$ 32,325	$ 60,943	$ 61,214
Cost of sales	27,014	26,432	46,568	51,096
Gross profit	9,653	5,893	14,375	10,118
Operating expenses
General and administrative expenses	4,573	3,924	9,015	7,906
Selling expenses	1,416	1,321	2,676	2,463
Total operating expenses	5,989	5,245	11,691	10,369
Income/(loss) from operations	3,664	648	2,684	(251)
Interest expense, net	209	284	419	550
Income/(loss) from operations before income taxes	3,455	364	2,265	(801)
Income tax (benefit)/expense	(265)	639	47	591
Net income/(loss)	$ 3,720	$ (275)	$ 2,218	$ (1,392)
Weighted average common shares outstanding
Basic (in shares)	7,987	7,820	7,937	7,769
Diluted (in shares)	8,075	7,820	8,024	7,769
Income/(loss) per share
Basic (in dollars per share)	$ 0.47	$ (0.04)	$ 0.28	$ (0.18)
Diluted (in dollars per share)	$ 0.46	$ (0.04)	$ 0.28	$ (0.18)