Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
Income Statement [Abstract]
Net sales	$ 173,417	$ 168,595	$ 164,052
Costs of goods sold	110,874	108,985	108,654
Gross profit	62,543	59,610	55,398
Selling, general and administrative expenses	56,601	53,653	52,741
(Gain) loss on sale of property, plant & equipment	(2)	9	(2)
Restructuring expense	0	0	287
Operating income	5,944	5,948	2,372
Interest expense, net	1,217	1,281	1,454
Income before income taxes	4,727	4,667	918
Income tax (benefit) expense	(18,033)	118	69
Net income	$ 22,760	$ 4,549	$ 849
Net income (loss) per common share:
Basic	$ 1.51	$ 0.31	$ 0.06
Diluted	$ 1.49	$ 0.30	$ 0.06
Weighted average shares outstanding:
Basic	15,067	14,914	14,756
Diluted	15,266	15,118	14,987