XML 31 R21.htm IDEA: XBRL DOCUMENT v3.19.2
Strategic Alliance and Collaboration with Servier (Tables)
6 Months Ended
Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Components of Collaboration Revenue
Collaboration revenue under the Servier Collaboration Agreement consisted of the following:
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2019
 
2018
 
2019
 
2018
 
(in thousands)
Milestone payments
$

 
$

 
$

 
$
3,690

Research and development reimbursable costs
2,498

 
1,368

 
2,846

 
2,434

Total collaboration revenue
$
2,498

 
$
1,368

 
$
2,846

 
$
6,124