Financial instruments - Sensitivity analysis (Details) - Currency risk - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| 10% strengthening of currency: | ||
| Percentage of strengthening of currency | 10.00% | 10.00% |
| Increase (decrease) in profit and loss | $ (11) | $ (125) |
| Increase (decrease) in equity | $ (11) | $ (125) |
| 10% weakening of currency: | ||
| Percentage of weakening of currency | 10.00% | 10.00% |
| Increase (decrease) in profit and loss | $ 11 | $ 125 |
| Increase (decrease) in equity | 11 | 125 |
| GBP | ||
| 10% strengthening of currency: | ||
| Increase (decrease) in profit and loss | (11) | (126) |
| Increase (decrease) in equity | (11) | (126) |
| 10% weakening of currency: | ||
| Increase (decrease) in profit and loss | 11 | 126 |
| Increase (decrease) in equity | $ 11 | 126 |
| AUD | ||
| 10% strengthening of currency: | ||
| Increase (decrease) in profit and loss | 1 | |
| Increase (decrease) in equity | 1 | |
| 10% weakening of currency: | ||
| Increase (decrease) in profit and loss | (1) | |
| Increase (decrease) in equity | $ (1) | |