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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
3 Months Ended
Mar. 31, 2015
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]  
Summary of Stock Option Activity
A summary of our stock option activity during the three months ended March 31, 2015 is presented below:
 
  
Shares
  
Weighted
Average
 Exercise
 Price
  
Weighted
Average
 Remaining
Contractual Term
  
Aggregate
Intrinsic
 Value
 
Outstanding at January 1, 2015
  
759,958
  
$
11.04
   
3.12
  
$
23,483,235
 
Grants
  
-
   
-
   
-
   
-
 
Exercised
  
(12,000
)
  
3.10
   
-
   
450,467
 
Forfeitures or expirations
  
-
   
-
   
-
   
-
 
Outstanding at March 31, 2015
  
747,958
   
11.16
   
2.91
   
23,924,725
 
                 
Exercisable at March 31, 2015
  
716,708
  
$
10.55
   
2.77
  
$
20,494,302