Financial instruments - Currency risk (Details) - Currency risk - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025
Financial instruments
Net financial assets (liabilities)	$ 107	$ 1,250
GBP
Financial instruments
Net financial assets (liabilities)	$ 107	1,258
AUD
Financial instruments
Net financial assets (liabilities)		$ (8)

The amount of risk exposure associated with financial instruments with a shared characteristic that identifies a concentration of risks. [Refer: Classes of financial instruments [domain]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph B8
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B8_c&doctype=Appendix&subtype=B
-URIDate 2025-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant