XML 46 R35.htm IDEA: XBRL DOCUMENT v3.19.1
Collaboration Agreements - Summary of Collaboration Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]    
Collaboration revenue $ 4,205 $ 641
Deferred revenue   0
Takeda Collaboration Agreement    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]    
Collaboration revenue 682 641
Sanofi Collaboration Agreement    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]    
Collaboration revenue 3,523 0
Sanofi Collaboration Agreement | Alzheimer's Disease Services    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]    
Collaboration revenue 94 0
Sanofi Collaboration Agreement | Retained Activities    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]    
Collaboration revenue $ 3,429 $ 0