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SHAREHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 31, 2013
SHAREHOLDERS' EQUITY [Abstract]  
Schedule of Weighted-Average Assumptions Used To Estimate the Fair Value of Options Granted
The following table presents the weighted-average assumptions used to estimate the fair value of options granted in 2013, 2012 and 2011:

 
 
2013
  
2012
  
2011
 
 
 
  
  
 
Expected annual dividend yield
  
0
%
  
0
%
  
0
%
Risk-free interest rate
  
1.66
%
  
1.10
%
  
2.02
%
Expected volatility
  
41.1
%
  
57.3
%
  
59.8
%
Expected life in years
  
7.88
   
6.3
   
8.0
 
Schedule of Outstanding and Exercisable Options
The following table summarizes information concerning outstanding and exercisable options:

 
 
Weighted Average
 
 
 
2013
  
2012
  
2011
 
 
 
Shares
  
Exercise Price
  
Shares
  
Exercise Price
  
Shares
  
Exercise Price
 
Outstanding at beginning of year
  
1,353,059
  
$
15.88
   
1,285,115
  
$
13.39
   
1,900,698
  
$
10.60
 
Granted
  
60,000
  
$
9.54
   
772,500
  
$
15.00
   
277,000
  
$
12.61
 
Exercised
  
(34,310
)
 
$
3.04
   
(109,466
)
 
$
3.12
   
(67,758
)
 
$
4.18
 
Cancelled or expired
  
(203,250
)
 
$
14.84
   
(595,090
)
 
$
11.71
   
(824,825
)
 
$
7.45
 
Outstanding at end of year
  
1,175,499
  
$
16.11
   
1,353,059
  
$
15.88
   
1,285,115
  
$
13.39
 
 
                        
Options exercisable at year end
  
772,749
       
682,809
       
914,365
     
Weighted average fair value per option granted during the year
 
$
4.44
      
$
7.90
      
$
7.81
     
Schedule of Options Vested and Exercisable or Nonvested, Expected to Vest (Nonvested Outstanding Less Expected Forfeitures)
The following table summarizes information about options vested and exercisable or nonvested that are expected to vest (nonvested outstanding less expected forfeitures) at December 31, 2013:

Range of Exercise Prices
  
Number Exercisable
  
Weighted Average Exercise Price
  
Weighted Average Remaining Contractual Life
  
Aggregate Intrinsic Value (in millions)
 
$
5.00 to $10.00
   
68,659
  
$
8.52
   
6.45
  
$
0.2
 
$
10.01 to $15.00
   
386,347
  
$
13.11
   
6.39
   
-
 
$
15.01 to $20.00
   
566,659
  
$
18.39
   
5.83
   
-
 
$
20.01 to $20.15
   
100,000
  
$
20.15
   
3.06
   
-
 
$
5.00 to $20.15
   
1,121,665
  
$
16.12
   
5.81
  
$
0.2
 
Schedule of Unvested Stock Options
The following table reflects the activity for all unvested stock options during 2013:

 
 
Shares
  
Weighted Average Grant- Date Fair Value
 
Unvested at January 1, 2013
  
670,250
  
$
9.01
 
Granted
  
60,000
  
$
4.44
 
Vested
  
(176,500
)
 
$
9.23
 
Forfeited
  
(151,000
)
 
$
8.09
 
Unvested at December 31, 2013
  
402,750
  
$
8.58