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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Stock-Based Compensation [Abstract]  
Estimation of fair value of options granted
         
    2012   2011

Dividend yield

  0%   0%

Expected volatility

  41.8%   40.5% - 41.3%

Expected life of option

  Five Years   Five Years

Risk-free interest rate

  0.8%   1.0% - 2.0%

Fair value of each option on grant date

  $2.73   $2.75 - $2.83
Stock option activity
                 
          Weighted  
          Average  
          Exercise  
    Shares     Price  

Outstanding at beginning of period

    34,750     $ 6.58  

Granted

    750       7.54  

Exercised

    (5,700     5.28  

Expired and forfeited

    (250     7.39  
   

 

 

         

Outstanding at September 30, 2012

    29,550       6.85  
   

 

 

         

Exercisable at September 30, 2012

    21,879       6.58