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Earnings (Loss) Per Share (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Earnings (Loss) Per Share (Textual) [Abstract]        
Weighted average shares of common stock, Diluted $ 3.6 $ 1.9 $ 3.6 $ 1.7