Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2015	Oct. 31, 2014
Statement of Comprehensive Income [Abstract]
Net loss	$ (5,813)	$ (397)	$ (11,898)	$ (7)
Change in cumulative translation adjustment	(361)	(2,160)	(2,007)	(613)
Comprehensive loss	$ (6,174)	$ (2,557)	$ (13,905)	$ (620)