CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME
Net (loss) income	$ (12,951)	$ (92)	$ 4,522
Other comprehensive income (loss):
Foreign currency translation adjustments	1,377	(1,115)	542
Unrealized (loss) gain on short-term investments, net of tax	(48)	(124)	55
Other comprehensive income (loss)	1,329	(1,239)	597
Total comprehensive (loss) income	$ (11,622)	$ (1,331)	$ 5,119

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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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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