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Income Taxes - Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]    
Expected statutory rate (34.00%) (34.00%)
State income tax rate, net of federal benefit (4.00%) (4.00%)
Permanent differences 2.00% 2.00%
Valuation allowance 48.00% 36.00%
Other (18.00%) 0.00%
Effective income tax rate 6.00% 0.00%