FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2012

FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS

Schedule of assets that are measured at fair value on a recurring basis

There were no transfers in or out of Level 1 or Level 2 measurements for the periods presented as follows (in thousands):

	DECEMBER 31, 2012		LEVEL 1		LEVEL 2		LEVEL 3
Cash equivalents	$	15,580	$	—	$	15,580	$	—
Marketable securities and term deposits	$	18,580	$	—	$	18,580	$	—
Restricted cash equivalents and marketable securities	$	374	$	—	$	374	$	—

	DECEMBER 31, 2012		LEVEL 1		LEVEL 2		LEVEL 3
Cash equivalents	$	8,595	$	—	$	8,595	$	—
Marketable securities and term deposits	$	18,563	$	—	$	18,563	$	—
Restricted cash equivalents and marketable securities	$	644	$	—	$	644	$	—