Collaborative Arrangements (Tables)

6 Months Ended

Jun. 30, 2014

Collaborative Arrangements

Schedule of net revenue recognized under our GSK Agreements

	Three Months Ended June 30,					Six Months Ended June 30,
(In thousands)	2014			2013		2014			2013
Royalty revenue	$	3,261		$	—	$	3,991		$	—
Amortization of intangible assets	(2,598		)	—		(4,378		)	—
Net royalty revenue	663			—		(387		)	—
LABA collaboration	—			907		—			1,814
Strategic alliance—MABA program license	271			415		541			830
Total revenue	$	934		$	1,322	$	154		$	2,644