Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,326)	$ (840)	$ (1,255)	$ (1,667)
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(105)	(367)	(198)	(965)
Other comprehensive loss	(105)	(367)	(198)	(965)
Comprehensive loss	$ (1,431)	$ (1,207)	$ (1,453)	$ (2,632)