CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
Net income (loss)	$ 455	$ 686	$ (2,958)	$ (2,643)
Other comprehensive income (loss)
Currency translation adjustments	328	(741)	(505)	(260)
Interest rate swap, net of tax	33	5	15	122
Other comprehensive income (loss)	361	(736)	(490)	(138)
Comprehensive income (loss)	$ 816	$ (50)	$ (3,448)	$ (2,781)