Licensing and Commercialization Agreements (Tables)

6 Months Ended

Jun. 30, 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 three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
License revenue	$	—	$	—	$	—	$	—
Research and development activity revenue	—		1,658		—		3,316
API transfer revenue	—		—		—		—
Joint operating committee revenue	—		3		—		7
Total collaboration revenue	$	—	$	1,661	$	—	$	3,323