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Trade and other payables (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Subclassifications of assets, liabilities and equities [abstract] |  |
Trade accounts payable | $ 6,924 | $ 13,181
Compensation payable | 8,505 | 9,209
Other liabilities | 5,327 | 2,491
Taxes payable | 398 | 362
Trade and other payables | $ 21,154 | $ 25,243

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- Definition The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph k -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_k&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 70 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_70&doctype=Standard -URIDate 2017-03-09 + Details
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