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STOCK BASED COMPENSATION (Details 2) (Stock options, USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Stock options
    
Number of Options Outstanding    
Options outstanding at December 31, 2013 (in shares) 949,685  
Granted (in shares)     
Exercised (in shares)     
Cancelled / forfeited (in shares) (2,083)  
Options outstanding at March 31, 2014 (in shares) 947,602 949,685
Unvested at March 31, 2014 480,824  
Vested and exercisable at March 31, 2014 466,778  
Weighted Average Exercise Price Per Share    
Options outstanding at December 31, 2013 (in dollars per share) $ 15.02  
Granted (in dollars per share)     
Exercised (in dollars per share)     
Cancelled / forfeited (in dollars per share) $ 35.03  
Options outstanding at March 31, 2014 (in dollars per share) $ 14.97 $ 15.02
Unvested at March 31, 2014 (in dollars per share) $ 4.42  
Vested and exercisable at March 31, 2014 (in dollars per share) $ 25.85  
Weighted Average Remaining Contractual Term (Years)    
Options outstanding 7 years 1 month 21 days 7 years 4 months 17 days
Unvested at the end of the period 9 years 6 months 11 days  
Vested and exercisable at the end of the period 4 years 8 months 1 day  
Aggregate Intrinsic Value    
Options outstanding $ 92 $ 152
Unvested at the end of the period 24  
Vested and exercisable at the end of the period $ 68