Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 6,340	$ 7,174	$ (1,438)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	2,428	1,796	(628)
Defined benefit pension plan, net of tax:
Actuarial (loss) gain on benefit obligation and plan assets, net of tax benefit of $188, tax benefit of $39 and tax provision of $38 for the years ended December 31, 2013, 2012 and 2011, respectively	2,785	(352)	192
Amortization of deferred loss, net of tax benefit of $26, $26 and $41 for the years ended December 31, 2013, 2012 and 2011, respectively	148	190	268
Amortization of prior service cost, net of tax benefit of $7, $5 and $7 for the years ended December 31, 2013, 2012 and 2011, respectively	(36)	(39)	(39)
Settlement (loss) gain, net of tax benefit of $94 and $30 for the years ended December 31, 2013 and 2012, respectively	(805)	228	0
Other comprehensive income (loss), net of tax	4,592	1,901	(129)
Comprehensive income (loss)	$ 10,932	$ 9,075	$ (1,567)