Other Current Liability - Summary of Onerous Contracts Provisions (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Onerous Contracts Provision [Abstract]
At January 1	$ 555	$ 250
Recognized	37	522
Reversed	(544)	(246)
Exchange differences	(6)	29
At December 31	$ 42	$ 555

The amount of provision for onerous contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. [Refer: Other provisions]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 37
-IssueDate 2018-01-01
-Section Example 8 An onerous contract
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-02&anchor=sect_Example8Anonerouscontract&doctype=Illustrative%20Examples&book=b
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2018-01-01
-Paragraph 66
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_66&doctype=Standard
-URIDate 2018-03-16

Name:	ifrs-full_OnerousContractsProvision
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant