Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net income (loss)	$ (873)	$ 6,188	$ (4,477)	$ 7,113
Available-for-sale investments
Net change in unrealized gains (losses) on available-for-sale investments	13	5	9	13
Less: Reclassification adjustment for gains (losses) on investments recognized during the period			9	(4)
Net change in unrealized gain and losses on available-for-sale investments	13	5	18	9
Tax provision
Other comprehensive income (loss), net of tax	13	5	18	9
Comprehensive income (loss)	$ (860)	$ 6,193	$ (4,459)	$ 7,122

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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. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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