Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Loss from continuing operations	$ (1,122)	$ (111)	$ (1,866)	$ (140)
Loss from discontinued operations, net of tax	(2,704)	(2,169)	(13,937)	(32,325)
Net loss	(3,826)	(2,280)	(15,803)	(32,465)
Other comprehensive income (loss):
Foreign currency translation adjustment	(5)	7	(14)	324
Comprehensive income (loss)	$ (3,831)	$ (2,273)	$ (15,817)	$ (32,141)