Segment Reporting (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Net sales	$ 41,450	$ 27,460	$ 122,050	$ 79,620
Disposables [Member]
Net sales	25,780	12,520	80,770	39,190
Chemical [Member]
Net sales	9,710	5,680	24,770	16,300
Fire [Member]
Net sales	1,620	2,810	4,740	6,640
Gloves [Member]
Net sales	540	740	1,860	2,330
High Visability [Member]
Net sales	1,400	2,200	3,700	6,040
HiPW [Member]
Net sales	740	830	1,560	1,260
Wovens [Member]
Net sales	$ 1,660	$ 2,680	$ 4,650	$ 7,860