SUBSEQUENT EVENT (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 28, 2014 Subsequent Event
Subsequent Event [Line Items]
Shares issued in connection with public offering, net, shares				14,100
Stock offering price, per share				$ 2.45
Proceeds from issuance of common stock, net	$ 576	$ 366	$ 12,871	$ 31,300