Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
NET LOSS	$ (15,754)	$ (19,375)
Other comprehensive loss, net of tax:
Realized loss on sale of available-for-sale securities		293
Unrealized loss on available-for-sale securities		(527)
COMPREHENSIVE LOSS	$ (15,754)	$ (19,609)

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

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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