R&D tax incentive receivable - Schedule of R&D Tax Incentive Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Jun. 30, 2026
Receivables [Abstract]
R&D tax incentive receivable	$ 1,272	$ 4,579

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483467/210-10-45-1

Name:	us-gaap_OtherReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant