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Share-based payments - Additional Information (Detail) | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2022 AUD ($) | Jun. 30, 2022 | Jun. 30, 2022 shares | Jun. 30, 2021 shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Employee remuneration expense | $ |  | $ 1,674,581 |  |  |
Weighted average remaining contractual life of outstanding share options | 3 years 17 days |  |  |  | 2 years 7 months 6 days
Number of options issued to employees |  |  | 4,800,000 | 4,800,000 | 2,200,000
Tranches 9 and 10 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Percentage of options vested and exercisable |  |  | 50.00% |  |
Tranche 11 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Percentage of options vested and exercisable |  |  | 75.00% |  |
Number of options issued to employees |  |  |  |  | 1,200,000
Tranches 12 and 14 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Percentage of options vested and exercisable |  |  | 25.00% |  |
Tranche 9 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Number of Options vested |  |  |  |  | 1,000,000
Number of options issued |  |  |  |  | 1,200,000
Tranche 14 [member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Number of options issued to employees |  |  | 100,000 |  |
Percentage of options going to vest |  |  |  |  | 25.00%
Tranches 2 and 8 [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Percentage of Options vested |  |  |  |  | 53.00%
Tranches 10 and 12 [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Percentage of Options vested |  |  |  |  | 25.00%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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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 2021-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard -URIDate 2021-03-24 + Details
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