INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived amortizable intangible assets

The following table sets forth amortizable intangible assets as of March 31, 2016 and December 31, 2015 (in thousands):

	March 31, 2016			December 31, 2015
Finite-lived intangible assets	$	181,705		$	179,096
Less: accumulated amortization	(21,445		)	(17,560		)
Net carrying value	$	160,260		$	161,536

Schedule of amortization expense

The following table summarizes amortization expense for the three months ended March 31, 2016 and 2015 (in thousands):

	Three Months Ended March 31,
	2016		2015
Research and development	$	82	$	221
Selling, general and administrative	3,803		1,514
Total amortization expense	$	3,885	$	1,735