Condensed Consolidated Statements of Comprehensive Income Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Net loss	$ (278)	$ (952)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(2,844)	2,453
Defined benefit pension plan, net of tax:
Amortization of deferred loss, net of tax benefit of $7 and $8 for the three months ended March 31, 2013 and 2012, respectively	55	46
Amortization of prior service cost, net of tax benefit of $2 for each of the three months ended March 31, 2013 and 2012, respectively	9	9
Other comprehensive income (loss), net of tax	(2,780)	2,508
Comprehensive income (loss)	$ (3,058)	$ 1,556