BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Net sales	$ 159,000	$ 107,809
Fire [Member]
Net sales	7,480	8,630
Consolidated external sales
Net sales	159,000	107,810
USA [Member]
Net sales	70,590	55,890
Other Foreign [Member]
Net sales	9,030	3,660
Europe (UK) [Member]
Net sales	16,800	9,350
Mexico [Member]
Net sales	5,700	2,820
Asia [Member]
Net sales	31,220	18,150
Canada [Member]
Net sales	13,610	9,640
Latin America [Member]
Net sales	12,050	8,300
High Performance Wear [Member]
Net sales	2,260	1,650
Disposables
Net sales	103,850	53,420
Chemical
Net sales	31,180	22,960
Gloves
Net sales	3,080	3,120
Hi-Vis
Net sales	4,450	7,750
Wovens
Net sales	$ 6,700	$ 10,280