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Intangible assets and goodwill (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure Of Intangible Assets And Goodwill [Line Items] |  |  |
Impairments of intangible assets | $ (1,053) | $ (4,990) | $ 1,164
Impairments of goodwill | $ 140 | $ 3,254 | $ 0
Intangible assets and goodwill [member] |  |  |
Disclosure Of Intangible Assets And Goodwill [Line Items] |  |  |
Discount rate applied to cash flow projections | 8.48% |  |
Period Over Which Management Has Projected Cash Flows | 5 years |  |

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- Definition Adjustments for impairment loss on goodwill recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Goodwill; Impairment loss; Impairment loss recognised in profit or loss] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_20&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of impairment loss recognised in profit or loss for intangible assets other than goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_e_iv&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The period over which management has projected cash flows based on financial budgets/forecasts approved by management including. + References No definition available. + Details
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- Details
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