Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ (7,179)	$ (12,155)	$ (6,822)
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss)	(886)	(3,265)	882
Foreign currency translation loss realized upon divestiture of subsidiary	2,180	0	0
Other comprehensive income (loss):	1,294	(3,265)	882
Total comprehensive loss	$ (5,885)	$ (15,420)	$ (5,940)