Income Taxes (Schedule of Reconciliation of Federal Income Tax Rate) (Details)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
U.S. statutory income tax rate	34.00%	34.00%	34.00%
State and local taxes, net of federal tax benefit	2.40%	0.30%	5.70%
Permanent differences between book and tax	17.10%	(26.90%)	22.10%
Deferred tax adjustments	(71.90%)	(151.70%)	(8.20%)
State rate adjustments	(29.20%)
Valuation allowance	47.60%	144.30%	(53.60%)
Effective income tax rate

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

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