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The Nature of Expenses - Amortization of intangible assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
IFRS Statement [Line Items] |  |  |
Amortisation, intangible assets other than goodwill | $ 1,723 | $ 2,213 | $ 1,980
Cost of Revenues [Member] |  |  |
IFRS Statement [Line Items] |  |  |
Amortisation, intangible assets other than goodwill | 57 | 58 | 3
Operating Expenses [Member] |  |  |
IFRS Statement [Line Items] |  |  |
Amortisation, intangible assets other than goodwill | $ 1,666 | $ 2,155 | $ 1,977

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- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2020-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2020-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2020-01-01 + Details
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