GOING CONCERN (Details) - USD ($) $ in Thousands	1 Months Ended					3 Months Ended		9 Months Ended
	Nov. 30, 2017	Jul. 31, 2017	Apr. 30, 2017	Sep. 30, 2016	Aug. 31, 2016	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2017	Oct. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
Cash and cash equivalents						$ 1,576	$ 468	$ 1,576	$ 468	$ 6,501	$ 4,039
Working capital (deficit)						(1,500)		(1,500)
Net loss						3,714	$ 3,878	12,852	$ 13,373
Accumulated deficit						$ 57,490		$ 57,490		$ 44,638
Private Placement
Net proceeds from the sale of common stock		$ 1,900	$ 4,400	$ 800	$ 1,300
Public Offering | Subsequent event
Net proceeds from the sale of common stock	$ 9,700