CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 2,078	$ 687
Other comprehensive income (loss):
Foreign currency translation adjustment	53	(105)
Comprehensive income	$ 2,131	$ 582