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EQUITY AWARDS AND OTHER INCENTIVE COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2014
EQUITY AWARDS AND OTHER INCENTIVE COMPENSATION  
Summary of the Stock Option activity
 
   Options   Range of
Exercise Prices		   Weighted-Average
Exercise Price		   Weighted-Average
Remaining
Contractual Life		   Aggregate
Intrinsic
Value		  
 
    
    
    
   (in years)
   (in millions)
  

Outstanding—December 31, 2013

     852,000   $ 2.44–16.27   $ 5.14     6.81   $ 1.6  

Granted

     —     —     —              

Exercised

     (308,134 )   2.32–3.94     2.51              

Expired

     —     —     —              

Forfeited

     (104,833 )   2.44–3.94     3.23              
                           
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Outstanding—June 30, 2014

     439,033   $ 2.44–16.27   $ 7.45     5.33   $ 0.5  
                       
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​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                       

Exercisable at June 30, 2014

     320,522   $ 2.44–16.27   $ 8.98     4.30   $ 0.3  
                       
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Summary of the RSU activity
 
   RSUs   Weighted-Average
Grant Date
Fair Value		   Weighted-Average
Remaining
Contractual Life		   Aggregate
Fair Value		  
 
    
    
   (in years)
   (in millions)
  

Unvested outstanding as of December 31, 2013

     223,100   $ 2.85     1.65   $ 1.2  

Granted

     85,100     5.26              

Vested

     (100,100 )   2.57              

Forfeited

     (36,600 )   3.06              
                   
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Unvested outstanding as of June 30, 2014

     171,500   $ 4.16     2.32   $ 1.0  
                   
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