FAIR VALUE MEASUREMENT (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are shown in the table below by their corresponding balance sheet captions and consisted of the following types of instruments as of December 31 (in thousands):

	2014				2013
	Fair Value Measurements at Reporting Date Using				Fair Value Measurements at Reporting Date Using
	(Level 1)		Total		(Level 1)		Total
Assets measured at fair value:
Cash and cash equivalents:
Money market funds	$	7,007	$	7,007	$	5	$	5
Restricted cash:
Money market funds	1,806		1,806		1,875		1,875
Total assets measured at fair value	$	8,813	$	8,813	$	1,880	$	1,880