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Income Taxes (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Taxes (Textual) [Abstract]      
United States federal statutory income tax rate 34.00%    
Income tax components aggregated $ 52 $ 97 $ 52