Financial Assets and Liabilities - Summary of Available-for-Sale Financial Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Disclosure Of Financial Assets And Liabilities [Line Items]
Available-for-sale financial assets	$ 2,321	$ 1,997
Equity Securities
Disclosure Of Financial Assets And Liabilities [Line Items]
Available-for-sale financial assets	$ 2,321	$ 1,997

The amount of non-current financial assets available-for-sale. [Refer: Financial assets available-for-sale; Non-current financial assets]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2018-01-01
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 8
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_8_d&doctype=Standard&book=B
-URIDate 2017-03-09

Name:	ifrs-full_NoncurrentFinancialAssetsAvailableforsale
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant