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Earnings per share (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Reconciliation of Weighted Average Shares Used in Calculation of Basic and Diluted Earnings Per Share

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