Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Condensed Consolidated Statements of Comprehensive Loss
Net loss	$ (2,422)	$ (2,832)
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	888	653
Unrealized income (loss) on cash flow hedges, net of tax benefit of $0 and $612	1	(968)
Reclassification of pension liability adjustments to earnings, net of tax expense of $0 and $39*	109	76
Other comprehensive income (loss)	998	(239)
Comprehensive loss	$ (1,424)	$ (3,071)