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STOCK BASED COMPENSATION (Details 2) (Stock options, USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Stock options
      
Number of Options Outstanding      
Options outstanding at December 31, 2013 (in shares) 949,685    
Granted (in shares) 54,000 32,697  
Exercised (in shares)       
Cancelled / forfeited (in shares) (2,087)    
Options outstanding at June 30, 2014 (in shares) 1,001,298   949,685
Unvested at June 30, 2014 487,253    
Vested and exercisable at June 30, 2014 514,045    
Weighted Average Exercise Price Per Share      
Options outstanding at December 31, 2013 (in dollars per share) $ 15.02    
Granted (in dollars per share) $ 3.09    
Exercised (in dollars per share)       
Cancelled / forfeited (in dollars per share) $ 31.08    
Options outstanding at June 30, 2014 (in dollars per share) $ 14.34   $ 15.02
Unvested at June 30, 2014 (in dollars per share) $ 4.23    
Vested and exercisable at June 30, 2014 (in dollars per share) $ 23.92    
Weighted Average Remaining Contractual Term (Years)      
Options outstanding 7 years 18 days   7 years 4 months 17 days
Unvested at the end of the period 9 years 4 months 13 days    
Vested and exercisable at the end of the period 4 years 10 months 6 days    
Aggregate Intrinsic Value      
Options outstanding $ 8   $ 152
Unvested at the end of the period       
Vested and exercisable at the end of the period $ 6