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Research and Development Expenses - Summary of Research and Development Expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Disclosure of attribution of expenses by nature to their function [line items] |  |  |
Share-based payments expense | $ 6,128 | $ 5,085 | $ 5,835
Total research and development expenses | 126,832 | 176,326 | 128,828
Research and Development Expenses |  |  |
Disclosure of attribution of expenses by nature to their function [line items] |  |  |
Salaries and fees | 10,211 | 4,809 | 3,756
Severance | 4,544 |  |
Cash bonuses | 1,741 | 1,425 | 445
Superannuation | 361 | 182 | 120
Share-based payments expense | 883 | 1,300 | 1,909
Total employee benefits expense | 17,740 | 7,716 | 6,230
Payroll tax | 782 | 295 | 208
Reserarch Insurance | 255 | 322 | 262
Research project costs1 | $ 108,055 | $ 167,993 | $ 122,128

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