Intangible Assets and Goodwill (Tables)

6 Months Ended

Jun. 30, 2015

Intangible Assets and Goodwill

Schedule of intangible assets, net of accumulated amortization, and goodwill

		June 30, 2015							December 31, 2014
	Estimated Life	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
	(In thousands)
Intangible Assets:
IPR&D	Indefinite	$	11,800	$	—		$	11,800	$	11,800	$	—		$	11,800
Amgen Amendment	16 years	14,500		(5,156		)	9,344		14,500		(4,708		)	9,792
Core Technology	11 years	1,296		(1,140		)	156		1,296		(1,081		)	215
Total Intangible Assets		$	27,596	$	(6,296	)	$	21,300	$	27,596	$	(5,789	)	$	21,807
Goodwill	Indefinite	$	8,965	$	—		$	8,965	$	8,965	$	—		$	8,965