GOING CONCERN (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
GOING CONCERN
Cash and cash equivalents	$ 4,465	$ 436	$ 4,465	$ 436	$ 6,501	$ 4,039
Working capital	1,100		1,100
Net loss	3,741	$ 5,034	9,138	$ 9,495
Accumulated deficit	$ 53,776		$ 53,776		$ 44,638