Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net loss	$ (2,628)	$ (873)	$ (10,260)	$ (4,477)
Available-for-sale investments
Net change in unrealized gains on available-for-sale investments	1	13	10	9
Less: Reclassification adjustment for (gains) losses on investments recognized during the period				9
Net change in unrealized gains and losses on available-for-sale investments	1	13	10	18
Tax provision
Other comprehensive income, net of tax	1	13	10	18
Comprehensive loss	$ (2,627)	$ (860)	$ (10,250)	$ (4,459)

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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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