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Additional Paid-In Capital (Summary Of Option Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Additional Paid-In Capital [Abstract]    
Number of options, Outstanding 2,917,500 2,882,500
Granted, Number of options (in shares) 175,000  
Number of options, Expired or Forfeited (in shares) (140,000)  
Number of options, Exercisable (in shares) 2,196,250  
Weighted average exercise price per share, Outstanding (in dollars per share) $ 1.70 $ 1.79
Weighted average exercise price per option, Granted (in dollars per share) $ 0.52  
Weighted average exercise price per option, Expired $ 2.15  
Weighted average exercise price per share, Exercisable (in dollars per share) $ 2.13  
Weighted average remaining contractual term, Outstanding 2 years 9 months 18 days 3 years 26 days
Weighted average remaining contractual term, Exercisable 2 years 2 months 19 days  
Aggregate intrinsic value, Outstanding $ 135 $ 54
Aggregate intrinsic value, Exercisable $ 60