Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments (Detail) $ in Thousands |
Dec. 31, 2020
USD ($)
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| Vancouver Office Operating Lease [Member] | |
| Operating Leased Assets [Line Items] | |
| 2021 | $ 68 |
| 2022 | 68 |
| 2023 | 6 |
| Total | 142 |
| Seattle Office Operating Lease [Member] | |
| Operating Leased Assets [Line Items] | |
| 2021 | 25 |
| Total | $ 25 |
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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