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Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Condensed Consolidated Statements of Comprehensive Loss
Net loss	$ (2,266)	$ (1,307)
Other comprehensive income:
Unrealized gain on marketable securities		30
Income tax related to items of other comprehensive income		(18)
Total other comprehensive income		12
Comprehensive loss	$ (2,266)	$ (1,295)

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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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