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Stock-Based Compensation (Summary Of Restricted Stock Unit Activity) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Stock-Based Compensation [Abstract]    
Shares / Units, NONVESTED AT DECEMBER 31, 2011 1,047,712  
Granted, Shares / Units 364,582  
Vested, Shares / Units (1,412,294)  
Forfeited, Shares / Units     
Shares / Units, NONVESTED AT SEPTEMBER 30, 2012     
Weighted-Average Grant Date Fair Value, NONVESTED AT DECEMBER 31, 2011 $ 0.35  
Granted, Weighted-Average Grant Date Fair Value $ 0.96 $ 2.21
Vested, Weighted-Average Grant Date Fair Value $ 0.51  
Forfeited, Weighted-Average Grant Date Fair Value     
Weighted-Average Grant Date Fair Value, NONVESTED AT SEPTEMBER 30, 2012