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Common Stock Options And Stock Purchase Plan (Schedule Of Stock Options Activity) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Stock Option [Member]
      
Beginning balance, Number of Shares 11,980 11,980  
Granted, Number of Shares 50,000 0  
Exercised, Number of Shares 0 0  
Canceled/forfeited/expired, Number of Shares 0 0  
Ending balance, Number of Shares 61,980 11,980 11,980
Beginning balance, Weighted-Average Exercise Price $ 4.16 $ 4.16  
Granted, Weighted-Average Exercise Price $ 4.21    
Ending balance, Weighted-Average Exercise Price $ 4.20 $ 4.16 $ 4.16
Balance, Weighted-Average Remaining Contractual Term 9 years 8 months 18 days 1 year 7 months 6 days 2 years 7 months 6 days
Sharebased Compensation Arrangement by Sharebased Payment Award Option Granted Weighted Average Remaining Contractual Term 10 years    
Vested and exercisable, Aggregate Intrinsic Value $ 0 [1]    
Number of shares vested 61,980    
Director Stock Option [Member]
      
Beginning balance, Number of Shares 10,000 5,000  
Granted, Number of Shares 175,000 10,000  
Exercised, Number of Shares 0 0  
Canceled/forfeited/expired, Number of Shares 0 5,000  
Ending balance, Number of Shares 185,000 10,000 5,000
Beginning balance, Weighted-Average Exercise Price $ 4.15 $ 5.36  
Granted, Weighted-Average Exercise Price $ 4.67 $ 4.15  
Canceled/forfeited/expired, Weighted-Average Exercise Price   $ 5.36  
Ending balance, Weighted-Average Exercise Price $ 4.64 $ 4.15 $ 5.36
Balance, Weighted-Average Remaining Contractual Term 9 years 6 months 9 years 6 months 5 years 3 months 19 days
Sharebased Compensation Arrangement by Sharebased Payment Award Option Granted Weighted Average Remaining Contractual Term 10 years 10 years  
Vested and exercisable, Aggregate Intrinsic Value $ 0 [1]    
Number of shares vested 35,000    
[1] The aggregate intrinsic value is calculated as approximately the difference between the weighted average exercise price of the underlying awards and the Company’s estimated current fair market value at December 31, 2013.