Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Condensed Consolidated Statements of Comprehensive Income (Loss)
Net (loss) income	$ (103)	$ 74	$ (5,113)	$ (189)
Other comprehensive loss, net of tax
Foreign currency translation adjustments	(304)	(219)	(268)	(490)
Unrealized (loss) gain on marketable securities	(4)	0	41	0
Comprehensive loss	(411)	(145)	(5,340)	(679)
Comprehensive income attributable to non-controlling interest	107	609	32	1,514
Comprehensive loss attributable to common stockholders	$ (518)	$ (754)	$ (5,372)	$ (2,193)