XML 17 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Additional Paid-In Capital (Summary Of Option Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Additional Paid-In Capital [Abstract]      
Number of options, Outstanding 2,882,500 3,102,500 3,195,000
Granted, Number of options (in shares) 985,000 600,000  
Number of options, Exercised (in shares) (450,000) (32,500)  
Number of options, Expired or Forfeited (in shares) (755,000) (660,000)  
Number of options, Exercisable (in shares) 2,143,750    
Weighted average exercise price per share, Outstanding (in dollars per share) $ 1.79 $ 2.80 $ 3.27
Weighted average exercise price per option, Granted (in dollars per share) $ 0.36 $ 2.97  
Weighted average exercise price per option, Exercised (in dollars per share) $ 3.07 $ 2.90  
Weighted average exercise price per option, Expired $ 3.32 $ 2.80  
Weighted average exercise price per share, Exercisable (in dollars per share) $ 2.29    
Weighted average remaining contractual term, Outstanding 3 years 26 days 2 years 8 months 5 days 2 years 8 months 23 days
Weighted average remaining contractual term, Exercisable 2 years 4 months 24 days    
Aggregate intrinsic value, Outstanding $ 54 $ 637 $ 1,039
Aggregate intrinsic value, Exercisable $ 13