Income Taxes (Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
U.S. federal statutory income tax rate	21.00%	21.00%
State income taxes, net of federal benefit	(0.10%)	(0.10%)
Foreign income (loss) at other than U.S. rates	(4.30%)	0.00%
Stock-based compensation expense	3.50%	(5.30%)
Meals and entertainment	(0.90%)	(0.40%)
Debt cancellation	0.00%	(1.20%)
Other permanent items	(1.20%)	(0.50%)
Change in valuation allowance	(7.50%)	(14.10%)
Sec 162(m) officers compensation	(6.30%)	0.00%
Provision to return adjustments	1.40%	0.00%
Effective income tax rate	5.60%	(0.60%)

Effective Income Tax Rate Reconciliation, Intercompany Financing Charges

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Effective Income Tax Rate Reconciliation, Officers Compensation, Percent

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Effective Income Tax Rate Reconciliation, Return Adjustment Provision

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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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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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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