COLLABORATION AGREEMENTS (Details) (License agreements, USD $) In Millions, unless otherwise specified	12 Months Ended										2 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Medarex Maximum	Dec. 31, 2013 Rockefeller Maximum	Dec. 31, 2013 Duke Maximum	Dec. 31, 2013 Ludwig Maximum	Dec. 31, 2013 Alteris Maximum	Dec. 31, 2013 Southampton Maximum	Dec. 31, 2013 Amgen Maximum	Feb. 28, 2014 Seattle Genetics CuraGen Subsequent event	Dec. 31, 2013 Seattle Genetics CuraGen Maximum
Collaborative Agreements
Nonrefundable license fee expense	$ 0.7	$ 0.7	$ 1.4
Period from the first commercial sale of licensed product for royalty payment				10 years
Milestone payment due				7.0	3.9	0.7	1.0	5.0	1.4	1.0		5.0
Payment made in connection with initiation of METRIC											$ 2.5