ADM COLLABORATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		0 Months Ended		3 Months Ended
	Mar. 31, 2012	Feb. 28, 2013 ADM Polymer Telles	Feb. 08, 2012 Commercial Alliance Agreement Telles	Feb. 08, 2012 Commercial Alliance Agreement ADM Polymer lb	Mar. 31, 2012 Commercial Alliance Agreement ADM Polymer
Significant collaboration
Annual production capability of manufacturing facility that will be constructed under the agreement (in pounds)				110,000,000
Deferred revenue recognized	$ 38,885				$ 38,885
Purchase price to acquire assets of joint venture			2,982
Potential obligations in connection with the agreement		$ 0