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v3.19.1

Net sales (Details Textual) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 10.00% |  |
Trade receivables [member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 43.00% | 49.00% |
Customer 1 [Member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 32.00% | 28.00% | 28.00%
Customer 2 [Member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 13.00% | 15.00% | 22.00%
Customer 3 [Member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 11.00% | 10.00% | 22.00%

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- References No definition available. + Details
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- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_34&doctype=Standard -URIDate 2018-03-16 + Details
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- Details
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- Details
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