CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net income	$ 1,210	$ 867	$ 1,890	$ 1,810
Foreign currency translation adjustment, net of tax	(10)	5	(11)	7
Comprehensive income	$ 1,200	$ 872	$ 1,879	$ 1,817