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v3.19.1

Bank loans (Details Textual) | Dec. 31, 2018 | Dec. 31, 2017
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Bottom of range [member] |  |
Disclosure Of Bank Loans [Line Items] |  |
Borrowings, interest rate | (1.15%) |
Top of range [member] |  |
Disclosure Of Bank Loans [Line Items] |  |
Borrowings, interest rate |  | 3.13%

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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard -URIDate 2018-03-16 + Details
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