GOING CONCERN (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Jan. 31, 2017	Jan. 31, 2016
GOING CONCERN
Cash and cash equivalents	$ 6,709	$ 4,038	$ 6,501	$ 4,039
Working capital (deficit)	2,900
Net loss	5,397	$ 4,461
Accumulated deficit	$ 50,035		$ 44,638