Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Net income	$ 2,072	$ 893
Other comprehensive income (loss):
Foreign currency translation adjustments	(1)	1
Unrealized loss on available-for-sale marketable securities		(17)
Total comprehensive income	$ 2,071	$ 877

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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