CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Income Statement [Abstract]
Net sales	$ 99,011	$ 95,987
Cost of goods sold	65,105	59,784
Gross profit	33,906	36,203
Operating expenses	30,341	27,726
Operating profit	3,565	8,477
Other income, net	41	29
Interest expense	(125)	(163)
Income before taxes	3,481	8,343
Income tax expense	2,022	7,903
Net income	$ 1,459	$ 440
Net income per common share:
Basic	$ 0.18	$ 0.06
Diluted	$ 0.18	$ 0.06
Weighted average common shares outstanding:
Basic	8,111,458	7,638,264
Diluted	8,170,401	7,691,553