Strategic Alliances and Collaborations (Tables)

6 Months Ended

Jun. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Revenue from Strategic Alliances

The following table summarizes our total revenues from our strategic alliances and collaborations during the periods presented (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
AstraZeneca	$	465	$	3,066	$	936	$	6,648
Sanofi	18		18		36		36
Biogen	—		750		—		1,350
Total	$	483	$	3,834	$	972	$	8,034