Leases - Summary of Right-of-Use Assets Related to Lease Shown in Consolidated Financial Statements (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] | ||
| Right-of-use Asset | $ 1,425 | |
| Right-of-use Asset | 625 | $ 1,425 |
| IFRS 16 [Member] | ||
| Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] | ||
| Right-of-use Asset | 1,425 | 2,042 |
| Depreciation charge | (500) | (617) |
| Derecognition of RoU asset | (300) | |
| Right-of-use Asset | 625 | 1,425 |
| Total cost [Member] | IFRS 16 [Member] | ||
| Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] | ||
| Right-of-use Asset | 2,658 | |
| Right-of-use Asset | 1,876 | 2,658 |
| Accumulated depreciation and amortization [Member] | IFRS 16 [Member] | ||
| Disclosure Of Quantitative Information About Rightofuse Assets [Line Items] | ||
| Right-of-use Asset | (1,233) | |
| Right-of-use Asset | $ (1,251) | $ (1,233) |