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Earnings per share
9 Months Ended
Sep. 30, 2012
Earnings per share

10. Earnings per share

For the three and nine months ended September 30, 2012 and 2011, there were no adjustments to net income (loss) for purposes of calculating basic and diluted net income (loss) available to common shareholders. The following is a reconciliation of the weighted average shares used in the basic and diluted net income (loss) per common share computations.

 

     Three Months Ended
September 30,
     Nine Months Ended
September 30,
 
     2012      2011      2012      2011  

Weighted average common shares-basic

     19,078,590         18,384,451         18,861,374         18,146,076   

Effect of dilutive securities:

           

Unexercised stock options net of treasury share repurchase

     454,431         466,174         438,889         —     
  

 

 

    

 

 

    

 

 

    

 

 

 

Weighted average common shares-diluted

     19,533,021         18,850,625         19,300,263         18,146,076   
  

 

 

    

 

 

    

 

 

    

 

 

 

No adjustment has been made in the nine months ended September 30, 2011 for any common stock equivalents because their effects would be anti-dilutive on net loss for this period. For the nine months ended September 30, 2011, potentially dilutive shares totaled 331,775.

Options to purchase shares of common stock with exercise prices in excess of the average market price of common shares are not included in the computation of diluted earnings per share. There were 636,900 and 688,636 outstanding options not included in the diluted earnings per share computation for the three and nine months ended September 30, 2012, respectively, because the inclusion of these options was anti-dilutive. There were 787,440 and 2,600,874 outstanding options not included, respectively, in the diluted earnings per share computation for the three and nine months ended September 30, 2011, respectively, because the inclusion of these options was anti-dilutive.