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Earnings and Dividends per Share (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Earnings and Dividends Per Share (Additional Textual) [Abstract]        
Number of non-vested restricted share awards outstanding 0 0 0 0
Diluted earnings per share amount after tax addback of interest expense $ 82,000 $ 95,000 $ 169,000 $ 190,000
Diluted earnings per share additional shares 2,300,000 2,700,000 2,300,000 2,700,000
Warrants [Member]
       
Earnings and Dividends per Share (Textual) [Abstract]        
Number of outstanding options and warrants excluded from the computation of diluted weighted average common shares outstanding because of anti-dilutive effect 322,500 426,250 322,500 426,250