COMMITMENTS AND CONTINGENCIES Commitments and Contingencies (Details) - New Contractual Commitment - USD ($) $ in Thousands	1 Months Ended
	May. 31, 2015	Jul. 01, 2015
Other Commitments [Line Items]
Quarterly fixed service fee		$ 1,100
Prepayment against future fixed service fees	$ 1,000
U.S. Supplier of Toll Fermentation Services
Other Commitments [Line Items]
Term of contractual service agreement	2 years
Owner/Operator of U.S. Pilot Resin Recovery Facility
Other Commitments [Line Items]
Term of contractual service agreement	2 years