Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements of Comprehensive Income [Abstract]
Net earnings	$ 5,270	$ 2,990
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(866)	133
Amortization of net prior service costs and net actuarial losses	373	(246)
Other comprehensive income (loss)	(493)	(113)
Comprehensive income (loss)	$ 4,777	$ 2,877