Condensed Consolidated Statements of Comprehensive Income Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 319	$ (278)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	849	(2,844)
Defined benefit pension plan, net of tax:
Amortization of deferred loss, net of tax benefit of $0 and $7 for the three months ended March 31, 2014 and 2013, respectively	0	55
Amortization of prior service cost, net of tax benefit of $7 and $2 for the three months ended March 31, 2014 and 2013, respectively	29	9
Other comprehensive income (loss), net of tax	878	(2,780)
Comprehensive income (loss)	$ 1,197	$ (3,058)