Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
Net sales	$ 32,806	$ 27,498	$ 94,020	$ 77,851
Cost of sales	25,923	24,178	77,019	69,688
Gross profit	6,883	3,320	17,001	8,163
Operating expenses
General and administrative expenses	4,247	4,314	12,153	12,456
Selling expenses	1,554	1,297	4,017	3,920
Total operating expenses	5,801	5,611	16,170	16,376
Income/(loss) from operations	1,082	(2,291)	831	(8,213)
Interest expense, net	280	193	830	507
Income/(loss) from operations before income taxes	802	(2,484)	1	(8,720)
Income tax expense/(benefit)	934	808	1,525	(241)
Net loss	$ (132)	$ (3,292)	$ (1,524)	$ (8,479)
Weighted average common shares outstanding
Basic and diluted (in shares)	7,877	7,714	7,806	7,668
Loss per share
Basic and diluted (in dollars per share)	$ (0.02)	$ (0.43)	$ (0.20)	$ (1.11)