CONCENTRATION OF RISK (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016
UNITED STATES
Concentration Risk [Line Items]
Interest-bearing Deposits in Banks and Other Financial Institutions	$ 12.0
Foreign Countries [Member]
Concentration Risk [Line Items]
Interest-bearing Deposits in Banks and Other Financial Institutions	$ 3.8
Cost of Goods, Total [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	11.00%	13.00%	10.00%
Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Customer	No customer accounted for more than 10% of net sales	No customer accounted for more than 10% of net sales	No customer accounted for more than 10% of net sales
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member]
Concentration Risk [Line Items]
Concentration Risk, Supplier	There were no other vendors over 10%	There were no other vendors over 10%	There were no other vendors over 10%