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Fair value measurement (Tables) | 12 Months Ended
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Jun. 30, 2025
IfrsStatementLineItems [Line Items] |
Schedule of Fair Value Measurements of Warrants | The following table provides quantitative information regarding Level 3 fair value measurements for Private Warrants as of June 30, 2025 and 2024. The Representative Warrants were valued using similar information, except for the strike price which is USD$12. Schedule of Fair Value Measurements for Private Warrants
|  | June 30, |  |  | June 30, |
|  | 2025 |  |  | 2024 |
|  | $USD |  |  | $USD |
Exercise price |  | $ | 11.50 |  |  | $ | 11.50 |
Share price |  | $ | 0.75 |  |  | $ | 0.97 |
Volatility |  |  | 73.6 | % |  |  | 54.9 | %
Expected life |  |  | 3.73 |  |  |  | 4.73 |
Risk-free rate |  |  | 3.72 | % |  |  | 4.33 | %
Dividend yield |  |  | 0 | % |  |  | - | %
Schedule of Changes in the Fair Value | The following table presents a summary of the changes in the fair value of the Private Warrants Penny Warrants, and Arena Warrants, Level 3 liabilities, measured on a recurring basis. Schedule of Changes in the Fair Value
|  | Private Placement |  |  | Representative |  |  | Arena Ordinary Share |  |  | Penny |  |  | Total Warrant Liabilities |
|  | $AUD |  |  | $AUD |  |  | $AUD |  |  |  |  |  | $AUD |
Fair value as of June 30, 2023 |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Initial measurement at Business Combination |  |  | 44,339 |  |  |  | 847 |  |  |  | 117,193 |  |  |  | 218,108 |  |  |  | 380,487 |
Change in fair value |  |  | (31,684 | ) |  |  | (826 | ) |  |  | (37,986 | ) |  |  | (71,378 | ) |  |  | (141,874 | )
Fair value as of June 30, 2024 |  |  | 12,655 |  |  | $ | 21 |  |  | $ | 79,207 |  |  | $ | 146,730 |  |  | $ | 238,613 |
Change in fair value |  |  | (3,036 | ) |  |  | (21 | ) |  |  | (10,728 | ) |  |  | (43,910 | ) |  |  | (57,695 | )
Fair value as of June 30, 2025 |  | $ | 9,619 |  |  | $ | - |  |  | $ | 68,479 |  |  | $ | 102,820 |  |  | $ | 180,918 |
Warrants [member] |
IfrsStatementLineItems [Line Items] |
Schedule of Fair Value Measurements of Warrants | The following table provides quantitative information regarding Level 3 fair value measurements for the Penny Warrants and the Arena Ordinary Share Warrants as of June 30, 2025 and 2024. Schedule of Fair Value Measurements of Warrants
|  | June 30, |  |  | June 30, |  |  | Initial value April 8, |
|  | 2025 |  |  | 2024 |  |  | 2024 |
|  | $USD |  |  | $USD |  |  | $USD |
Exercise price |  |  | 92.5% of average lowest daily VWAP during the 10 preceding trading days |  |  |  | 92.5% of average lowest daily VWAP during the 10 preceding trading days |  |  |  | 92.5% of average lowest daily VWAP during the 10 preceding trading days |
Share price |  |  | 0.75 |  |  | $ | 0.97 |  |  | $ | 1.43 |
Volatility |  |  | 73.6 | % |  |  | 54.9 | % |  |  | 51.9 | %
Expected life |  |  | 3.77 |  |  |  | 4.83 |  |  |  | 5.00 |
Risk-free rate |  |  | 3.72 | % |  |  | 4.33 | % |  |  | 4.43 | %
Dividend yield |  |  | - | % |  |  | - | % |  |  | - | %

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- Definition The disclosure of significant inputs for which market data are not available and that are developed using the best information available about the assumptions that market participants would use when measuring the fair value of liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2024-01-01 -Paragraph 93 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2024-en-r&anchor=para_93_d&doctype=Standard -URIDate 2024-03-27 + Details
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