CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Statement - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Net loss	$ (9,976)	$ (12,474)
Other comprehensive income (loss)
Currency translation adjustments, net of tax	1,185	818
Minimum pension liability adjustment, net of tax	165	423
(Realized) unrealized gain on marketable security, net of tax	(92)	15
Other comprehensive income	1,258	1,256
Comprehensive loss	$ (8,718)	$ (11,218)