Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Net sales	$ 37,003	$ 39,804	$ 68,225	$ 64,227
Cost of sales	27,117	29,061	51,290	48,979
Gross profit	9,886	10,743	16,935	15,248
Operating expenses
General and administrative expenses	5,246	5,602	10,897	10,008
Selling expenses	1,315	1,053	2,554	2,094
Total operating expenses	6,561	6,655	13,451	12,102
Income from operations	3,325	4,088	3,484	3,146
Interest expense, net	500	268	867	446
Other (expense)/income	(64)	457	(14)	899
Income from operations before income taxes	2,761	4,277	2,603	3,599
Income tax expense	893	861	1,620	1,026
Net income	$ 1,868	$ 3,416	$ 983	$ 2,573
Weighted average common shares outstanding
Basic (in shares)	7,975	8,151	7,947	8,158
Diluted (in shares)	8,186	8,321	8,062	8,290
Earnings per share
Basic (in dollars per share)	$ 0.23	$ 0.42	$ 0.12	$ 0.32
Diluted (in dollars per share)	$ 0.23	$ 0.41	$ 0.12	$ 0.31