Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Research and Development Agreements - Schedule of Deferred Revenue and Accounts Receivable Balances from the Research and Development Agreements (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Contract Assets    
Accounts receivable from related party $ 408 $ 240
Contract Liabilities    
Total deferred revenue 36,700 28,900
Takeda Pharmaceuticals Inc    
Contract Assets    
Accounts receivable from related party 408 240
Contract Liabilities    
Deferred revenue, current 8,780 26,231
Deferred revenue, non-current 441 2,670
Total deferred revenue $ 9,221 $ 28,901