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Intangible assets - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about intangible assets [line items] |  |
Acquisition of intangible assets | $ 17,279,000 |
Additions to intangible assets | 1,543,000 | $ 246,000
Amortization expense | 1,798,000 | 1,657,000
Arcola Energy Limited |  |
Disclosure of detailed information about intangible assets [line items] |  |
Acquisition of intangible assets | 17,279,000 |
ERP management reporting software system |  |
Disclosure of detailed information about intangible assets [line items] |  |
Additions to intangible assets | 1,385,000 | 0
Manufacturing Execution System |  |
Disclosure of detailed information about intangible assets [line items] |  |
Additions to intangible assets | $ 158,000 | $ 246,000

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- Definition The increase in intangible assets other than goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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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 2021-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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- Details
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