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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net income (loss)	$ 15,424	$ (12,951)	$ (92)
Other comprehensive income (loss):
Foreign currency translation (loss) gain	(65)	1,377	(1,115)
Unrealized gain (loss) on short-term investments, net of tax	657	(48)	(124)
Other comprehensive income (loss)	592	1,329	(1,239)
Total comprehensive income (loss)	$ 16,016	$ (11,622)	$ (1,331)

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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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