BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Cost of goods sold		$ 79,717
Income before taxes		43,913
Income tax expense	$ 4,781	8,583
Net income	$ 11,372	$ 35,330
Basic net income per common share	$ 1.44	$ 4.43
Diluted income per common share	$ 1.41	$ 4.34
Adjustment [Member]
Cost of goods sold		$ 33
Income before taxes		(33)
Income tax expense		(191)
Net income		$ 224
Basic net income per common share		$ 0.03
Diluted income per common share		$ 0.03
Previously Reported [Member]
Cost of goods sold		$ 79,750
Income before taxes		8,774
Income tax expense		43,880
Net income		$ 35,106
Basic net income per common share		$ 4.40
Diluted income per common share		$ 4.31