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Additional Paid-In Capital (Summary Of The Status Of Unvested Stock Options) (Details) (USD $)
 9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Additional Paid-In Capital [Abstract]    
Unvested, Number of options (in shares) 100,000 300,000
Vested, Number of options (in shares) (200,000)  
Unvested, Weighted average grant-date fair value per option (in dollars per share) $ 1.10 $ 1.47
Vested, weighted average grant-date fair value per option (in dollars per share) $ 1.65  
Weighted average remaining amortization period 2 months 19 days