Significant Agreements (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

License revenue, including amounts from related parties, recognized for the three months ended September 30, 2014 and 2015, and the nine months ended September 30, 2014 and 2015, is as follows:


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2015		2014		2015
Up-front fees and option fees for commercial licenses	$	—	$	1,000	$	3,600	$	2,000
Milestone fees for commercial licenses		—		—		—		250
Maintenance fees for commercial licenses		—		65		65		245
Research and other license revenue		150		—		190		140

	$	150	$	1,065	$	3,855	$	2,635