Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Summary of Contractual Obligations (Detail)

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Commitments and Contingencies - Summary of Contractual Obligations (Detail)
$ in Thousands
Jun. 30, 2022
USD ($)
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]  
Total $ 39
Less than 1 year 39
Vancouver Office Operating Lease [Member]  
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]  
Total 39
Less than 1 year $ 39