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Earnings Per Share
6 Months Ended
Jun. 30, 2011
Earnings Per Share [Abstract]  
Earnings Per Share
15. Earnings Per Share
 
The computations of Basic and Diluted Earnings per Share were as follows:

   
Three Months Ended
  
Six Months Ended
 
   
June 30
  
June 30
 
   
2011
  
2010
  
2011
  
2010
 
Numerator:
            
Net Earnings
 $5,855  $6,175  $11,721  $10,266 
Denominator:
                
Basic - Weighted Average Shares Outstanding
  18,941,131   18,789,530   18,952,093   18,736,228 
Effect of dilutive securities:
                
Employee stock options
  526,422   513,272   538,963   469,450 
Diluted - Weighted Average Shares Outstanding
  19,467,553   19,302,802   19,491,056   19,205,678 
Basic Earnings per Share
 $0.31  $0.33  $0.62  $0.55 
Diluted Earnings per Share
 $0.30  $0.32  $0.60  $0.53 
 
Excluded from the dilutive securities shown above were options to purchase 179,130 and 55,086 shares of Common Stock during the three months ended June 30, 2011 and 2010, respectively. Excluded from the dilutive securities shown above were options to purchase 127,289 and 291,012 shares of Common Stock during the six months ended June 30, 2011 and 2010, respectively. These exclusions are made if the exercise prices of these options are greater than the average market price of our Common Stock for the period, if the number of shares we can repurchase exceeds the weighted shares outstanding in the options, or if we have a net loss, as the effects are anti-dilutive.