Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Net sales	$ 45,582	$ 24,684
Disposables
Net sales	31,210	12,360
Chemical
Net sales	8,880	5,060
Fire
Net sales	1,450	1,400
Gloves
Net sales	780	750
Hi-Vis
Net sales	1,350	2,120
High Performance Wear
Net sales	290	230
Wovens
Net sales	1,620	2,760
USA
Net sales	23,110	12,870
Other Foreign
Net sales	2,300	780
Europe (UK)
Net sales	3,010	2,390
Mexico
Net sales	1,370	600
Asia
Net sales	9,050	3,830
Canada
Net sales	4,310	2,490
Latin America
Net sales	$ 2,430	$ 1,720