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v3.25.3

Share-based payments - Summary of valuation for each tranche of options (Detail) - AUD ($) | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Tranche 4 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 13/01/2020 | 13/01/2020
Expiry date | Jan. 13, 2025 | Jan. 13, 2025
Share price at Grant Date | $ 0.62 |
Exercise price | $ 0.88 | $ 0.88
Volatility (%) | 74.50% |
Dividend yield (%) | 0.00% |
Risk free Rate | 1.95% |
Fair value per option | $ 340 |
Tranche 5 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 | 09/11/2020
Expiry date | Nov. 09, 2024 | Nov. 09, 2024
Share price at Grant Date | $ 0.89 |
Exercise price | $ 1.13 | $ 1.13
Volatility (%) | 90.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 0.10% |
Fair value per option | $ 410 |
Tranche 6 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 | 09/11/2020
Expiry date | Jan. 13, 2025 | Jan. 13, 2025
Share price at Grant Date | $ 0.89 |
Exercise price | $ 0.88 | $ 0.88
Volatility (%) | 90.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 0.10% |
Fair value per option | $ 500 |
Tranche 7 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 04/01/2021 | 04/01/2021
Expiry date | Jan. 04, 2025 | Jan. 04, 2025
Share price at Grant Date | $ 1.19 |
Exercise price | $ 1.69 | $ 1.69
Volatility (%) | 90.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 0.19% |
Fair value per option | $ 600 |
Tranche 8 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/09/2021 | 09/09/2021
Expiry date | Jun. 26, 2026 | Jun. 26, 2026
Share price at Grant Date | $ 1.42 |
Exercise price | $ 1.37 | $ 1.37
Volatility (%) | 76.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 1.50% |
Fair value per option | $ 880 |
Tranche 9 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 16/11/2021 | 16/11/2021
Expiry date | Nov. 16, 2025 | Nov. 16, 2025
Share price at Grant Date | $ 1.57 |
Exercise price | $ 1.69 | $ 1.69
Volatility (%) | 76.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 1.50% |
Fair value per option | $ 850 |
Tranche 10 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 16/11/2021 | 16/11/2021
Expiry date | Nov. 16, 2025 | Nov. 16, 2025
Share price at Grant Date | $ 1.57 |
Exercise price | $ 2.24 | $ 2.24
Volatility (%) | 76.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 1.50% |
Fair value per option | $ 750 |
Tranche 11 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 16/11/2021 | 16/11/2021
Expiry date | Nov. 16, 2025 | Nov. 16, 2025
Share price at Grant Date | $ 1.57 |
Exercise price | $ 1.56 | $ 1.56
Volatility (%) | 76.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 1.50% |
Fair value per option | $ 970 |
Tranche 13 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 01/02/2022 | 01/02/2022
Expiry date | Feb. 01, 2027 | Feb. 01, 2027
Share price at Grant Date | $ 0.8 |
Exercise price | $ 0.94 | $ 0.94
Volatility (%) | 44.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 2.95% |
Fair value per option | $ 630 |
Tranche 14 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 24/05/2022 | 24/05/2022
Expiry date | May 24, 2027 | May 24, 2027
Share price at Grant Date | $ 0.17 |
Exercise price | $ 0.78 | $ 0.78
Volatility (%) | 80.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 3.64% |
Fair value per option | $ 100 |
Tranche 15 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 03/03/2023 | 03/03/2023
Expiry date | Mar. 03, 2027 | Mar. 03, 2027
Share price at Grant Date | $ 0.17 |
Exercise price | $ 0.15 | $ 0.15
Volatility (%) | 80.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 3.64% |
Fair value per option | $ 100 |
Tranche 16 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 03/05/2023 | 05/03/2023
Expiry date | May 03, 2027 | May 03, 2027
Share price at Grant Date | $ 0.19 |
Exercise price | $ 0.19 | $ 0.19
Volatility (%) | 80.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 3.22% |
Fair value per option | $ 110 |
Tranche 17 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 22/04/2024 |
Expiry date | Apr. 22, 2029 |
Share price at Grant Date | $ 0.59 |
Exercise price | $ 0.59 |
Volatility (%) | 95.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 3.96% |
Fair value per option | $ 430 |
Tranche 18 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 17/06/2024 |
Expiry date | Jun. 17, 2029 |
Share price at Grant Date | $ 0.35 |
Exercise price | $ 0.58 |
Volatility (%) | 95.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 3.84% |
Fair value per option | $ 230 |
Tranche 19 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 27/06/2024 |
Expiry date | Jun. 27, 2030 |
Share price at Grant Date | $ 0.35 |
Exercise price | $ 0.33 |
Volatility (%) | 95.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 4.17% |
Fair value per option | $ 270 |
Tranche 20 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 11/09/2024 |
Expiry date | Sep. 11, 2029 |
Share price at Grant Date | $ 0.56 |
Exercise price | $ 0.5 |
Volatility (%) | 121.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 3.52% |
Fair value per option | $ 470 |
Tranche 21-22 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 14/01/2025 |
Expiry date | Jul. 14, 2030 |
Share price at Grant Date | $ 1.53 |
Exercise price | $ 1.5 |
Volatility (%) | 95.00% |
Dividend yield (%) | 0.00% |
Risk free Rate | 4.17% |
Fair value per option | $ 1,170 |

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