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Loss Per Share (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Loss Per Share (Textual) [Abstract]        
Dilutive Securities, Effect on Basic Earnings Per Share $ 4.8 $ 2.4 $ 4.0 $ 2.0