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Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Income Taxes (Textual) [Abstract]        
Estimated tax provision. $ 500,000   $ 500,000  
Income tax provision $ (1,601,000) $ (253,000) $ (2,973,000) $ (401,000)
Minimum rate of federal income tax rate 34.00%      
Maximum rate of federal income tax rate 35.00%