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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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