Licensing and Commercialization Agreement (Tables)

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of collaboration revenue components

Below is a summary of the components of the Company's collaboration revenue for the years ended December 31, 2018, 2017, and 2016:

	Years ended December 31,
	2018		2017		2016
License revenue	$	—	$	152,912	$	22,937
Research and development activity revenue	—		56,180		9,741
API transfer revenue	—		754		18,212
Joint operating committee revenue	—		131		19
Total collaboration revenue	$	—	$	209,977	$	50,909