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Income Taxes (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Income Taxes [Abstract]        
State income and federal minimum tax expense $ 15,000 $ 28,000 $ 73,000 $ 74,000