Segment Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Information

Schedule of total revenue by geographic region

	Year Ended December 31,
(In thousands)	2018		2017		2016
US	$	49,239	$	14,272	$	33,179
Europe		11,117		1,109		15,211
Asia		14		5		254
Other		—		—		4
Total revenue	$	60,370	$	15,386	$	48,648

Schedule of total revenue from customers or collaboration partners who individually accounted for 10% or more of total revenue

	Year Ended December 31,
(% of total revenue)	2018		2017		2016
Janssen	51	%	—		—
Alfasigma	18	%	—		—
Cardinal Health	—		28	%	—
AmerisourceBergen Drug Corp.	—		25	%	—
McKesson Corp.	—		23	%	—
Besse Medical	—		13	%	—
Mylan	—		—		31	%
Takeda	—		—		31	%