EMPLOYEE 401(K) PLAN (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Contribution Plan [Line Items]
Employer matching contribution (in percent)	50.00%
Maximum employee annual salary contribution (in percent)	15.00%
Maximum employee annual salary contribution amount	$ 0
Employer contribution	$ 0.3	$ 0.3	$ 0.2
Maximum [Member]
Defined Contribution Plan [Line Items]
Maximum annual contribution per employee (in percent)	6.00%