SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2013

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Basis Used to Measure Fair Values of Financial Instruments

The following table summarizes the bases used to measure the fair values of the Company’s financial instruments as of September 30, 2013 and December 31, 2012 (amounts in thousands):

			Fair Value Measurements at Reporting Date, Using:
			Quoted Prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
	September 30,		Identical Items		Inputs		Inputs
Description	2013		(Level 1)		(Level 2)		(Level 3)
Cash and cash equivalents	$	75,598	$	75,598	$	—	$	—
Total assets	$	75,598	$	75,598	$	—	$	—
Purchase consideration payable	$	14,576	$	—	$	—	$	14,576
Total liabilities	$	14,576	$	—	$	—	$	14,576

			Quoted Prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
	December 31,		Identical Items		Inputs		Inputs
Description	2012		(Level 1)		(Level 2)		(Level 3)
Cash and cash equivalents	$	40,781	$	40,781	$	—	$	—
Total assets	$	40,781	$	40,781	$	—	$	—
Purchase consideration payable	$	14,208	$	—	$	—	$	14,208
Total liabilities	$	14,208	$	—	$	—	$	14,208