Income Taxes Income tax rate reconciliation (Details)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Computed expected income tax benefit	(35.00%)	(35.00%)	(35.00%)
Reduction (increase) in income tax benefit and increase (reduction) in income tax expense resulting from:
State tax, net of federal benefit	0.00%	0.00%	0.00%
Change in federal valuation allowance	35.00%	35.00%	35.00%
Other	0.00%	0.00%	0.00%
Effective income tax rate	0.00%	0.00%	0.00%

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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