Consolidated Statements of Comprehensive Earnings (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net earnings (loss)	$ 647	$ (566)	$ 1,598	$ 3,829
Foreign currency translation adjustments	(144)	(4)	(168)	(86)
Comprehensive earnings (loss)	$ 503	$ (570)	$ 1,430	$ 3,743