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Income Taxes (Schedule of Reconciliation of Federal Income Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
U.S. statutory income tax rate	34.00%	34.00%	34.00%
State and local taxes, net of federal tax benefit	5.20%	4.50%	2.30%
Permanent differences between book and tax and other	14.40%	1.50%	(5.60%)
Valuation allowance	53.60%	40.00%	30.70%
Effective income tax rate	0.00%	0.00%	0.00%

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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