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Earnings Per Share
9 Months Ended
Sep. 30, 2011
Earnings Per Share [Abstract] 
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
September 30		      Nine Months Ended
September 30		  
     2011      2010      2011      2010  

Numerator:

            

Net income

    $ 4,618       $ 3,611       $ 15,637       $ 7,081   
  

 

 

     

 

 

     

 

 

     

 

 

  

Denominator:

            

Weighted averages shares outstanding

      27,575         27,398         27,551         27,362   

Assumed exercise of stock options

      418         265         291         281   
  

 

 

     

 

 

     

 

 

     

 

 

  
     27,993         27,663         27,842         27,643