Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments (Detail)

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Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments (Detail) - Vancouver Office Operating Lease [Member]
$ in Thousands
Mar. 31, 2021
USD ($)
Operating Leased Assets [Line Items]  
2021 $ 52
2022 68
2023 6
Total $ 126