Income Taxes (Details 1)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	(34.00%)
Stock based awards	0.60%	7.00%
State taxes	2.80%	(1.50%)
Other permanent differences	0.70%	1.80%
Impact of uncertain tax positions	1.70%	3.00%
Valuation allowance	(1.60%)	8.50%
Tax rate change	0.00%	(14.70%)
Other	0.50%	0.20%
Effective federal income tax rate	25.70%	(29.70%)

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

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 changes in the valuation allowance for deferred tax assets.

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Percentage 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 income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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