Financial Risk Management - Schedule of Sensitivity of Profit or Loss to Changes in Exchange Rates (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| CHF [Member] | ||
| Disclosure Of Financial Risk Management [Line Items] | ||
| Increase /decrease exchange rate vs USD | 5.00% | 5.00% |
| Effect on profit before tax (in USD ‘000) | $ (498) | $ (688) |
| Effect on shareholders’ equity (in USD ‘000) | $ (498) | $ (688) |
| Increase /decrease exchange rate vs USD | (5.00%) | (5.00%) |
| Effect on profit before tax (in USD ‘000) | $ 498 | $ 688 |
| Effect on shareholders’ equity (in USD ‘000) | $ 498 | $ 688 |
| EUR [Member] | ||
| Disclosure Of Financial Risk Management [Line Items] | ||
| Increase /decrease exchange rate vs USD | 5.00% | 5.00% |
| Effect on profit before tax (in USD ‘000) | $ (83) | $ (26) |
| Effect on shareholders’ equity (in USD ‘000) | $ (83) | $ (26) |
| Increase /decrease exchange rate vs USD | (5.00%) | (5.00%) |
| Effect on profit before tax (in USD ‘000) | $ 83 | $ 26 |
| Effect on shareholders’ equity (in USD ‘000) | $ 83 | $ 26 |