Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (6,443)	$ (237)
Change in cumulative translation adjustment	2,661	2,747
Comprehensive (loss) income	$ (3,782)	$ 2,510