Going Concern - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Dec. 11, 2015	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2015	Oct. 31, 2014	Jan. 31, 2015
Proceeds From Issuance of Common Stock				$ 7,821
Net loss available to common stockholders		$ (3,850)	$ (2,263)	(11,448)	$ (5,446)
Accumulated deficit		(21,679)		(21,679)		$ (10,634)
Working capital		$ 300		$ 300
Private Placement | Subsequent event
Proceeds From Issuance of Common Stock	$ 5,600