Intangible Assets and Goodwill (Tables)

6 Months Ended

Jun. 30, 2013

Intangible Assets and Goodwill

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

		June 30, 2013							December 31, 2012
	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		$	(3,363	)	11,137		14,500		$	(2,915	)	11,585
Core Technology	11 years	1,296		(907		)	389		1,296		(848		)	448
Total Intangible Assets		$	27,596	$	(4,270	)	$	23,326	$	27,596	$	(3,763	)	$	23,833
Goodwill	Indefinite	$	8,965	—			$	8,965	$	8,965	—			$	8,965