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Segment Reporting (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Oct. 31, 2020
Fire [Member]        
External sales $ 1,500 $ 1,620 $ 5,920 $ 4,740
Disposables [Member]        
External sales 18,140 25,780 53,040 80,770
Chemical [Member]        
External sales 5,150 9,710 19,010 24,770
Gloves [Member]        
External sales 630 540 1,660 1,860
High Visibility [Member]        
External sales 1,650 1,400 3,810 3,700
High Performance Wear [Member]        
External sales 900 740 2,770 1,560
Wovens [Member]        
External sales 2,060 1,660 5,380 4,650
Total [Member]        
External sales $ 30,030 $ 41,450 $ 91,590 $ 122,050