Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Reconciliation of the federal statutory income tax rate to the effective income tax rate [Abstract]
Federal Tax rate (in percent)	21.00%	34.00%
Federal tax benefit at 34%	$ (464)	$ (5,758)
State and local income tax, net of Federal benefit	171	(271)
Foreign rate differential	(3)	519
Increase in taxes from permanent differences in stock-based compensation		333
Return to provision and other adjustments	289	289
Federal Tax reform	(176)	17,260
Change in valuation allowance	183	(12,372)
Income tax expense (benefit)

Amount of income tax reconciliation other adjustments federal tax reform.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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