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COMMITMENTS AND CONTINGENCIES (Details 2) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Sep. 04, 2013
Future minimum rent commitments          
2015 $ 621   $ 621    
2016 1,263   1,263    
2017 1,289   1,289    
2018 1,092   1,092    
Total 4,265   4,265    
Commitments          
Total rent expense $ 287 $ 287 $ 549 $ 574  
Amount of settlement agreement         $ 286