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Income Taxes (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Operating Loss Carryforwards [Line Items]        
Income tax expense $ 5,000 $ 4,000 $ 14,000 $ 11,000
Internal Revenue Service (IRS) [Member]
       
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards, subject to expiration 100,000,000   100,000,000  
State and Local Jurisdiction [Member]
       
Operating Loss Carryforwards [Line Items]        
Income tax expense   $ 10,000