FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2012

FAIR VALUE MEASUREMENTS

Schedule of assets and liabilities measured at fair value on a recurring basis

	December 31, 2012
Description	(Level 1)		(Level 2)		(Level 3)		Total
	(in thousands)
Assets
Cash equivalents	$	43,301	$	—	$	—	$	43,301
Total assets	$	43,301	$	—	$	—	$	43,301
Liabilities
Acquisition-related contingent considerations	$	—	$	—	$	517	$	517
Total liabilities	$	—	$	—	$	517	$	517

	December 31, 2011
Description	(Level 1)		(Level 2)		(Level 3)		Total
			(in thousands)
Assets
Cash equivalents	$	31,264	$	—	$	—	$	31,264
Total assets	$	31,264	$	—	$	—	$	31,264