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Share-Based Payments - Additional Information (Detail) | 12 Months Ended
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Jun. 30, 2023 shares $ / shares | Jun. 30, 2022 shares $ / shares | Jun. 30, 2022 shares $ / shares | Jun. 30, 2021 shares $ / shares | Jun. 30, 2016
Disclosure of other equity instruments [line items] |  |  |  |  |
Options granted | 0 | 0 | 0 |  |
Performance Rights Issued to Non Executive Directors [member] | Share consolidation adjustment [member] |  |  |  |  |
Disclosure of other equity instruments [line items] |  |  |  |  |
Weighted average share price on the exercising date | $ 0.28 | $ 0.523 |  | $ 0.276 |
Equity incentive plan [member] |  |  |  |  |
Disclosure of other equity instruments [line items] |  |  |  |  |
Options granted | shares | 0 | 0 | 0 | 0 |
Weighted average remaining contractual life of performance rights outstanding | 3 years 6 months |  |  |  |
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] |  |  |  |  |
Disclosure of other equity instruments [line items] |  |  |  |  |
Weighted average share price on the exercising date | $ 0.24 | $ 0.535 |  | $ 0.235 |
Dr Russell Howard [member] |  |  |  |  |
Disclosure of other equity instruments [line items] |  |  |  |  |
Weighted average remaining contractual life of performance rights outstanding |  |  |  |  | 2 years 1 month 6 days
Russell Howard [Member] |  |  |  |  |
Disclosure of other equity instruments [line items] |  |  |  |  |
Share approved for issuance | shares |  | 1,624,499 | 1,624,499 |  |
Weighted average remaining contractual life of performance rights outstanding |  | 3 years 6 months 7 days | 3 years 6 months 7 days |  |
Exercise price |  |  | $ 0 |  |

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- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The weighted average share price at the date of exercise for share options that are exercised in a share-based payment arrangement. [Refer: Share-based payment arrangements [member]; Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The weighted average share price. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_c&doctype=Standard -URIDate 2023-03-23 + Details
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