Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022	Jan. 31, 2023
Operating Profit (Loss)	$ 3,621	$ 2,222	$ 9,289	$ 5,465
Total assets	148,315		148,315		$ 142,327
USA
Net sales	16,200	15,300	46,300	41,000
External sales	15,100	14,000	42,600	37,100
Intersegment sales	1,100	1,300	3,700	3,900
Operating Profit (Loss)	1,900	(100)	1,600	(3,400)
Total assets	57,200		57,200		64,500
Other Foreign [Member]
Net sales	3,900	2,300	10,200	7,000
External sales	2,400	1,700	6,600	5,400
Intersegment sales	1,500	600	3,600	1,600
Operating Profit (Loss)	600	300	1,800	400
Total assets	10,400		10,400		9,200
Europe UK
Net sales	3,200	1,500	12,700	5,300
External sales	3,200	1,500	12,600	5,300
Intersegment sales	0	0	100	0
Operating Profit (Loss)	(400)	(500)	0	(1,100)
Total assets	24,300		24,300		12,500
Mexico
Net sales	1,600	1,400	5,200	4,100
External sales	1,000	1,000	2,900	2,900
Intersegment sales	600	400	2,300	1,200
Operating Profit (Loss)	(400)	(300)	(1,300)	(900)
Total assets	10,500		10,500		5,300
Asia
Net sales	12,100	16,800	34,100	50,800
External sales	3,100	5,200	9,700	19,200
Intersegment sales	9,000	11,600	24,400	31,600
Operating Profit (Loss)	1,300	2,400	3,100	8,400
Total assets	27,400		27,400		35,600
Canada
Net sales	2,700	2,400	7,200	6,900
External sales	2,700	2,400	7,200	6,900
Intersegment sales	0	0	0	0
Operating Profit (Loss)	500	300	1,100	1,300
Total assets	7,100		7,100		5,800
Latin America
Net sales	4,200	2,600	12,000	7,000
External sales	4,200	2,600	11,800	7,000
Intersegment sales	0	0	200	0
Operating Profit (Loss)	800	400	2,900	1,200
Total assets	11,400		11,400		9,300
Intersegment [Member]
Net sales	(12,200)	(13,900)	(34,300)	(38,300)
Operating Profit (Loss)	(700)	(300)	100	(400)
Total Segment [Member]
Net sales	31,700	28,400	93,400	83,800
External sales	31,700	28,400	93,400	83,800
Intersegment sales	12,200	13,900	34,300	38,300
Operating Profit (Loss)	3,600	$ 2,200	9,300	$ 5,500
Total assets	$ 148,300		$ 148,300		$ 142,200