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Earnings Per Share
 6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share

6. Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 260 Earnings Per Share (“EPS”) requires dual presentation of basic EPS and diluted EPS on the face of all income statements. Basic EPS is computed as net income divided by the weighted average number of shares of common stock outstanding during the period. Diluted EPS reflects potential dilution that could occur if securities or other contracts, which, for the Company, consists of options to purchase shares of the Company’s common stock, are exercised.

The components of basic and diluted earnings per share were as follows:

 

                                 
    Three Months Ended
June 30		     Six Months Ended
June 30		  
    2012     2011     2012     2011  

Numerator:

                                

Net income

   $ 8,744     $ 6,007     $ 17,478     $ 11,019  
   

 

 

    

 

 

    

 

 

    

 

 

  
         

Denominator:

                                

Weighted averages shares outstanding

     27,858       27,548       27,740       27,538  

Assumed exercise of stock options

     879       290       804       275  
   

 

 

    

 

 

    

 

 

    

 

 

  
      28,737       27,838       28,544       27,813