Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 1,768	$ 2,621	$ 6,631	$ 7,187
Other comprehensive income (loss)
Foreign currency translation adjustments	(753)	330	(822)	(140)
Derivative instrument fair market value adjustment-net of income taxes		7	7	7
Total other comprehensive income (loss)	(753)	337	(815)	(133)
Comprehensive income	$ 1,015	$ 2,958	$ 5,816	$ 7,054