Financial assets and liabilities - Summary of Prepayments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025
Disclosure Of Financial Assets And Liabilities [Abstract]
Prepaid manufacturing costs	$ 5,695	$ 1,796
Prepaid insurance and subscriptions	2,235	1,967
Clinical trial research and development expenditure	441	1,402
Other	435	522
Prepayments	$ 8,806	$ 5,687

Receivables that represent amounts paid for goods and services before they have been delivered.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph B9
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_b&doctype=Appendix&subtype=B
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 78
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_b&doctype=Standard
-URIDate 2025-03-27

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