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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]    
Operating leases, future minimum payments due, remainder of 2015 $ 0.5  
Operating leases, future minimum payments due, 2016 0.9  
Operating leases, future minimum payments due, 2017 0.8  
Operating leases, future minimum payments due, 2018 0.5  
Operating leases, future minimum payments due, 2019 0.2  
Operating leases, future minimum payments, due thereafter 0.6  
Operating leases, rent expense 0.4 $ 0.5
Firm commitments to vendors $ 1.2