TERM LOAN (Details) (Term Loan, USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended				1 Months Ended
	May 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010 MidCap	Mar. 31, 2011 GECC
Term Loan
Amount borrowed						$ 10.0	$ 5.0
Amount owed under the term loan					15.0
Repayment of principal amount	8.8
Amount of interest, prepayment and final payment fees	0.7
Interest expense on the term loan		$ 0.8	$ 1.5	$ 1.6