EMPLOYEE BENEFIT PLANS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 item	Dec. 31, 2012 item	Dec. 31, 2011 item
Defined contribution benefit plans covering U.S. domestic employees
Employee benefit plans
Number of defined contribution benefit plans for employees	1	2	2
Expense under the plans	$ 0	$ 225	$ 354
Defined contribution benefit plans for foreign employees
Employee benefit plans
Expense under the plans	$ 123	$ 98	$ 60