Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Consolidated Statements of Comprehensive Income
Net income	$ 2,577	$ 979	$ 4,383	$ 7,525
Other comprehensive loss:
Currency translation adjustment	(304)		(304)
Derivative instruments
Reclassification adjustment for gains included in net income		(122)		(371)
Net loss recognized in other comprehensive income	(304)	(122)	(304)	(371)
Tax benefit related to items of other comprehensive income	104	45	104	135
Other comprehensive loss	(200)	(77)	(200)	(236)
Total comprehensive income	$ 2,377	$ 902	$ 4,183	$ 7,289