INCOME TAXES (Details) - Schedule of Unrecognized Tax Benefits Roll Forward - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract]
Unrecognized tax benefits, beginning of period	$ 2,096	$ 987
Changes for prior years’ tax positions	247	749
Changes for current year tax positions		491
Unrecognized tax benefits, end of period	$ 2,343	$ 2,227