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WEIGHTED AVERAGE COMMON SHARES (Tables)
12 Months Ended
Dec. 31, 2012
WEIGHTED AVERAGE COMMON SHARES [Abstract]  
Weighted Average Numbers of Common Shares Used to Compute Basic and Diluted Income Per Share
The weighted average numbers of common shares used to compute basic and diluted income per share for the years ended December 31, 2012, 2011 and 2010, respectively were as follows:

   
Year Ended December 31,
 
   
2012
  
2011
  
2010
 
Basic shares outstanding
  22,195,407   22,019,563   24,418,460 
Dilutive effect of stock options
  -   135,437   605,713 
Diluted shares outstanding
  22,195,407   22,155,000   25,024,173