Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Taxes [Abstract]
Effective tax rate	0.00%	0.00%	0.00%	0.00%
U.S. Federal income tax benefit at federal statutory rate	21.00%	21.00%	21.00%	21.00%
Deferred tax asset that will more than likely be realized	$ 0		$ 0
Operating loss carryforward, expiration			Dec. 31, 2037

Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as current.

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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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Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

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