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Income and Expenses Items - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Other Operating Income and Expense [Line Items] |  |  |
Government grant received | $ 271 | $ 973 | $ 425
COVID-19 Epidemic [Member] |  |  |
Disclosure of Other Operating Income and Expense [Line Items] |  |  |
Government grant received |  | $ 882 |

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- Definition Disclosure of other operating income and expense. + References No definition available. + Details
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- Definition The amount of income recognised in relation to government grants. [Refer: Government grants] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 20 -IssueDate 2021-01-01 -Paragraph 39 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=20&code=ifrs-tx-2021-en-r&anchor=para_39_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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