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STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2016
STOCK-BASED COMPENSATION [Abstract]  
Employee and Non-employee Restricted Stock Plan
The following table provides certain information regarding the shares authorized and outstanding under the Restricted Stock Plan at March 31, 2016:

Number of shares authorized for grants
  
800,000
 
Number of shares granted
  
(873,199
)
Number of shares forfeited
  
165,997
 
Number of shares available for future grants
  
-(1)
 
Weighted-average grant price of granted shares
 
$
28.40
 

(1) The Restricted Stock Plan expired in July of 2015.
Changes in Restricted Stock
Changes in restricted stock for the three months ended March 31, 2016 were as follows:

  
Number of
Shares
  
Weighted
Average
Grant Price
 
Non-vested at December 31, 2015
  
137,507
  
$
54.58
 
Granted
  
-
  
$
-
 
Forfeited
  
(22,121
)
 
$
83.75
 
Vested
  
(38,721
)
 
$
50.11
 
Non-vested at March 31, 2016
  
76,665
  
$
48.41