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v3.21.2

Share-based payments - Summary of valuation for each tranche of options (Detail) | 12 Months Ended
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Jun. 30, 2021 USD ($) yr $ / shares | Jun. 30, 2020 $ / shares
Tranche 8 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 05/09/2016 | 05/09/2016
Expiry date | Sep. 05, 2021 | Sep. 05, 2021
Share price at Grant Date | $ 0.105 |
Exercise price | $ 1.630 | $ 1.630
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.16 |
Risk free Rate | 1.60% |
Fair value per option | $ | $ 0.840 |
Tranche 9 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 12/10/2016 | 12/10/2016
Expiry date | Oct. 17, 2021 | Oct. 17, 2021
Share price at Grant Date | $ 0.098 |
Exercise price | $ 1.560 | $ 1.560
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.29 |
Risk free Rate | 1.89% |
Fair value per option | $ | $ 0.780 |
Tranche 10 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 31/10/2016 | 31/10/2016
Expiry date | Nov. 01, 2021 | Nov. 01, 2021
Share price at Grant Date | $ 0.090 |
Exercise price | $ 1.380 | $ 1.380
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.20 |
Risk free Rate | 1.87% |
Fair value per option | $ | $ 0.720 |
Tranche 11 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 21/11/2016 | 21/11/2016
Expiry date | Nov. 23, 2021 | Nov. 23, 2021
Share price at Grant Date | $ 0.092 |
Exercise price | $ 1.380 | $ 1.380
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.20 |
Risk free Rate | 2.10% |
Fair value per option | $ | $ 0.730 |
Tranche 12 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 07/08/2017 | 07/08/2017
Expiry date | Aug. 07, 2022 | Aug. 07, 2022
Share price at Grant Date | $ 0.430 |
Exercise price | $ 0.670 | $ 0.670
Volatility (%) | 74.50% |
Remaining Option Life | yr | 2.08 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.206 |
Tranche 13 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 05/02/2018 | 05/02/2018
Expiry date | Feb. 05, 2023 | Feb. 05, 2023
Share price at Grant Date | $ 0.500 |
Exercise price | $ 0.780 | $ 0.780
Volatility (%) | 74.50% |
Remaining Option Life | yr | 2.58 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.200 |
Tranche 14 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 04/01/2019 | 04/01/2019
Expiry date | Jan. 04, 2024 | Jan. 04, 2024
Share price at Grant Date | $ 0.340 |
Exercise price | $ 0.492 | $ 0.492
Volatility (%) | 74.50% |
Remaining Option Life | yr | 3.50 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.140 |
Tranche 15 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 13/11/2019 | 13/11/2019
Expiry date | Jan. 04, 2024 | Jan. 04, 2024
Share price at Grant Date | $ 0.410 |
Exercise price | $ 0.492 | $ 0.492
Volatility (%) | 74.50% |
Remaining Option Life | yr | 4.20 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.180 |
Tranche 16 [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 | $ 0.620 |
Exercise price | $ 0.881 | $ 0.881
Volatility (%) | 74.50% |
Remaining Option Life | yr | 4.50 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.340 |
Tranche 20 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Nov. 09, 2024 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 1.132 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 2.10 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.379 |
Tranche 21 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Nov. 09, 2024 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 1.132 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 2.30 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.403 |
Tranche 22 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Nov. 09, 2024 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 1.132 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 2.60 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.425 |
Tranche 23 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Nov. 09, 2024 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 1.132 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 2.80 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.446 |
Tranche 24 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Jan. 13, 2025 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 0.881 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 2.20 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.450 |
Tranche 25 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Jan. 13, 2025 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 0.881 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 2.70 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.490 |
Tranche 26 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Jan. 13, 2025 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 0.881 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 3.20 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.520 |
Tranche 27 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 09/11/2020 |
Expiry date | Jan. 13, 2025 |
Share price at Grant Date | $ 0.890 |
Exercise price | $ 0.881 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 3.70 |
Risk free Rate | 0.10% |
Fair value per option | $ | $ 0.550 |
Tranche 28 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 04/01/2021 |
Expiry date | Jan. 04, 2025 |
Share price at Grant Date | $ 1.185 |
Exercise price | $ 1.169 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 2.50 |
Risk free Rate | 0.19% |
Fair value per option | $ | $ 0.520 |
Tranche 29 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 04/01/2021 |
Expiry date | Jan. 04, 2025 |
Share price at Grant Date | $ 1.185 |
Exercise price | $ 1.169 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 3.00 |
Risk free Rate | 0.19% |
Fair value per option | $ | $ 0.576 |
Tranche 30 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 04/01/2021 |
Expiry date | Jan. 04, 2025 |
Share price at Grant Date | $ 1.185 |
Exercise price | $ 1.169 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 3.50 |
Risk free Rate | 0.19% |
Fair value per option | $ | $ 0.627 |
Tranche 31 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | 04/01/2021 |
Expiry date | Jan. 04, 2025 |
Share price at Grant Date | $ 1.185 |
Exercise price | $ 1.169 |
Volatility (%) | 90.00% |
Remaining Option Life | yr | 4.00 |
Risk free Rate | 0.19% |
Fair value per option | $ | $ 0.671 |

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