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CONCENTRATION OF CREDIT RISK (Details) (Revenue, Customer concentration, One third party customer in the U.S)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Revenue | Customer concentration | One third party customer in the U.S
   
CONCENTRATION    
Concentration risk (as a percent) 76.00% 76.00%