BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Net sales	$ 107,809	$ 99,011
Disposables
Net sales	53,420	53,190
Chemical
Net sales	22,960	18,030
Fire
Net sales	8,360	5,980
Gloves
Net sales	3,120	3,220
Hi-Vis
Net sales	7,750	6,990
Wovens
Net sales	11,930	11,610
USA
Net sales	55,890	49,880
Other Foreign
Net sales	3,660	3,020
Europe (UK)
Net sales	9,350	9,420
Mexico
Net sales	2,820	3,510
Asia
Net sales	18,150	18,000
Canada
Net sales	9,640	8,560
Latin America
Net sales	$ 8,300	$ 6,620