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COMMITMENTS AND CONTINGENCIES (Details 2) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 04, 2013
Future minimum rent commitments          
2015 $ 312   $ 312    
2016 1,263   1,263    
2017 1,289   1,289    
2018 1,092   1,092    
Total 3,956   3,956    
Commitments          
Total rent expense $ 297 $ 287 $ 891 $ 861  
Amount of settlement agreement         $ 286