Intangible Assets and Goodwill (Tables)

6 Months Ended

Jun. 30, 2016

Intangible Assets and Goodwill

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

		June 30, 2016							December 31, 2015
	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		(6,053		)	8,447		14,500		(5,605		)	8,895
Core Technology	11 years	1,296		(1,256		)	40		1,296		(1,197		)	99
Total Intangible Assets		$	27,596	$	(7,309	)	$	20,287	$	27,596	$	(6,802	)	$	20,794
Goodwill	Indefinite	$	8,965	$	—		$	8,965	$	8,965	$	—		$	8,965