Collaborative Arrangements (Tables)

12 Months Ended

Dec. 31, 2015

Collaborative Arrangements

Schedule of net revenue recognized under GSK Agreements

        Net revenue recognized under our GSK Agreements was as follows (in thousands):

	Year Ended December 31,
	2015			2014			2013
Royalties from a related party	$	66,887		$	18,417		$	1,945
Less: amortization of capitalized fees paid to a related party		(13,823	)		(11,066	)		(743	)
Royalty revenue		53,064			7,351			1,202
LABA collaboration(1)		—			—			1,815
Strategic alliance—MABA program		885			1,082			1,515
Total net revenue from GSK	$	53,949		$	8,433		$	4,532

(1)           Deferred revenue under this agreement was fully recognized in the year ended December 31, 2013.