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STOCKHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2012
STOCKHOLDERS' EQUITY [Abstract]  
Summary of Stock Options Activity
The summary of the stock options activity is as follows for year ended:
 
     
   
 
Shares
  
Weighted Average Exercise Price
 
Outstanding at December 31, 2011
  1,261,425  $8.27 
 
2012
        
Options granted
  15,000  $15.75 
Options exercised
  (94,425)  1.57 
Options canceled or expired
  --   -- 
Outstanding at end of year
  1,182,000   8.90 
Options exercisable at year end
  1,102,000   7.90 
Shares available for future grant
  254,098   -- 

Schedule of Information Relating to Stock Options by Exercise Price
The following table summarizes information relating to stock options by exercise price at December 31, 2012:
 
        
 
Option Exercise Price
  
 
Outstanding
Shares
  
Weighted Average Life (years)
  
Weighted Average Exercise Price
  
 
Exercisable
Shares
  
Weighted Average Option
Price
 
$0.83 - 2.00   497,500   3.10  $1.01   497,500  $1.01 
 4.00 - 6.00   242,000   4.41   4.69   242,000   4.69 
 13.00 - 16.00   140,000   5.80   13.75   140,000   13.75 
 17.00 - 18.99   70,000   5.93   17.69   60,000   17.61 
 19.00 - 21.00   112,500   5.75   20.57   62,500   20.23 
 26.00 - 28.00   45,000   6.68   26.43   45,000   26.43 
 29.00 - 31.00   75,000   6.88   29.53   55,000   29.64 
     1,182,000   4.49  $8.90   1,102,000  $7.90