Quarterly report pursuant to Section 13 or 15(d)

Research and Development Agreements - Schedule of Deferred Revenue and Accounts Receivable Balances from the Research and Development Agreements (Detail)

v3.19.1
Research and Development Agreements - Schedule of Deferred Revenue and Accounts Receivable Balances from the Research and Development Agreements (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Liabilities    
Total deferred revenue $ 21,372 $ 28,901
Takeda Pharmaceuticals Inc    
Assets    
Unbilled revenue 295 240
Liabilities    
Deferred revenue, current 19,307 26,231
Deferred revenue, non-current 2,065 2,670
Total deferred revenue $ 21,372 $ 28,901