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Earnings per share
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Earnings per share

11. Earnings per share

For the three and six months ended June 30, 2013 and 2012, there were no adjustments to net income (loss) for purposes of calculating basic and diluted net income (loss) available to common shareholders. For the three months ended June 30, 2013, potentially dilutive shares totaled 129,524. 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
June 30,		      Six Months Ended
June 30,		  
     2013      2012      2013      2012  
            (Restated)             (Restated)  

Weighted average common shares-basic

      19,140,520         18,827,452         19,285,004         18,751,573   

Effect of dilutive securities:

            

Unexercised stock options net of treasury share repurchase

      129,524         388,532         198,711         417,367   
  

 

 

     

 

 

     

 

 

     

 

 

  

Weighted average common shares-diluted

      19,270,044         19,215,984         19,483,715         19,168,940   
  

 

 

     

 

 

     

 

 

     

 

 

  

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 996,478 and 768,269 outstanding options not included in the diluted earnings per share computation for the six months ended June 30, 2013 and 2012, respectively, because the inclusion of these options was anti-dilutive.