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v3.19.1

Other Current Liability - Summary of Contract Liability (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Jan. 01, 2018
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Current contract liabilities |  |
Contract liabilities - current | $ 756 | $ 113
Advance from customers |  |
Current contract liabilities |  |
Contract liabilities - current | 668 |
Custodial service |  |
Current contract liabilities |  |
Contract liabilities - current | 71 |
Transportation Service |  |
Current contract liabilities |  |
Contract liabilities - current | $ 17 |

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- Definition The amount of current contract liabilities. [Refer: Contract liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_105&doctype=Standard -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |