CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 35,021	$ 27,472	$ 80,603	$ 52,156
Cost of goods sold	17,681	17,053	41,119	34,183
Gross profit	17,340	10,419	39,484	17,973
Operating expenses	7,606	7,781	17,380	15,650
Operating profit	9,734	2,638	22,104	2,323
Other income (expense), net	31	3	37	(24)
Interest expense	(2)	(38)	(19)	(72)
Income before taxes	9,763	2,603	22,122	2,227
Income tax expense	424	1,208	4,149	1,297
Net income	$ 9,339	$ 1,395	$ 17,973	$ 930
Net income per common share:
Basic	$ 1.17	$ 0.17	$ 2.25	$ 0.12
Diluted	$ 1.16	$ 0.17	$ 2.23	$ 0.11
Weighted average common shares outstanding:
Basic	7,976,275	8,012,475	7,974,370	8,013,150
Diluted	8,079,744	8,102,342	8,062,318	8,096,227