GOING CONCERN (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
GOING CONCERN
Cash and cash equivalents	$ 6,501	$ 4,039	$ 1,305
Working capital (deficit)	3,100
Net income (loss) available to common stockholders	(18,532)	(16,001)
Accumulated (deficit)	$ (44,638)	$ (26,232)