CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Income Statement [Abstract]
Net sales	$ 107,809	$ 99,011
Cost of goods sold	69,912	65,105
Gross profit	37,897	33,906
Operating expenses	32,021	30,341
Operating profit	5,876	3,565
Other income (expense), net	(7)	41
Interest expense	(116)	(125)
Income before taxes	5,753	3,481
Income tax expense	2,472	2,022
Net income	$ 3,281	$ 1,459
Net income per common share:
Basic	$ 0.41	$ 0.18
Diluted	$ 0.41	$ 0.18
Weighted average common shares outstanding:
Basic	8,005,927	8,111,458
Diluted	8,037,019	8,170,401