CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
Net sales	$ 41,451	$ 27,464	$ 122,054	$ 79,620
Cost of goods sold	19,763	18,166	60,882	52,349
Gross profit	21,688	9,298	61,172	27,271
Operating expenses	9,195	7,464	26,575	23,114
Operating profit	12,493	1,834	34,597	4,157
Other income (expense), net	12	(9)	49	(33)
Interest expense	(4)	(26)	(23)	(98)
Income before taxes	12,501	1,799	34,623	4,026
Income tax expense	3,237	653	7,386	1,950
Net income	$ 9,264	$ 1,146	$ 27,237	$ 2,076
Net income per common share:
Basic	$ 1.16	$ 0.14	$ 3.41	$ 0.26
Diluted	$ 1.14	$ 0.14	$ 3.36	$ 0.26
Weighted average common shares outstanding:
Basic	7,979,902	8,004,640	7,976,228	8,013,383
Diluted	8,123,848	8,035,929	8,110,435	8,044,159