v3.26.1
Income tax benefit/(expense) - Summary of Reconciliation of Income Tax to Prima Facie Tax Payable (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disclosure Of Reconciliation Of Effective Income Tax Expense [Line Items]      
Loss from continuing operations before income tax $ (56,887) $ (101,812) $ (88,147)
Difference in tax rate 30.00% 30.00% 30.00%
Tax effect of amounts which are not deductible/(exempt) in calculating taxable income:      
Share-based payments expense $ 1,413 $ 5,911 $ 1,752
Bonus restructure expense 180 1,973 0
Non-Deductible Executive Compensation 999 0 0
Research and development tax concessions (1,211) (1,236) 324
Foreign exchange translation (losses)/gains (789) (63) (103)
Contingent consideration (3,617) 4,466 2,908
Remeasurement of warrants (209) 1,557 0
Other sundry items 1,106 447 (231)
Subtotal (19,194) (17,489) (21,794)
Adjustments for current tax of prior periods 582 4,540 198
Differences in overseas tax rates (6,600) 14,330 6,051
Tax benefit/(expense) not recognized 25,825 (1,051) 15,354
Income tax expense/(benefit) attributable to loss before income tax 613 330 (191)
Australian government      
Disclosure Of Reconciliation Of Effective Income Tax Expense [Line Items]      
Tax benefit at the Australian tax rate of 30% (2025: 30%, 2024: 30%) $ (17,066) $ (30,544) $ (26,444)
Singapore      
Tax effect of amounts which are not deductible/(exempt) in calculating taxable income:      
Statutory tax rate   17.00%