Quarterly report pursuant to Section 13 or 15(d)

Research and Development Agreements - Schedule of Deferred Revenue, Other Liabilities for Co-share Payments and Accounts Receivable Balances from the Research and Development Agreements (Detail)

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Research and Development Agreements - Schedule of Deferred Revenue, Other Liabilities for Co-share Payments and Accounts Receivable Balances from the Research and Development Agreements (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Assets    
Accounts receivable $ 3,167 $ 408
Liabilities    
Other current liabilities 1,785 2,501
Other liabilities 1,427 1,366
Total liabilities 86,551 71,174
Takeda    
Assets    
Accounts receivable 3,167 408
Liabilities    
Other current liabilities 5,325 0
Deferred revenue, current 5,218 8,780
Deferred revenue, non-current 1,849 441
Other liabilities 6,654 0
Total liabilities $ 19,046 $ 9,221