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Key management personnel disclosures - Summary of compensation made to directors and other members of key management personnel (Detail) - AUD ($)
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Related party transactions [abstract]      
Short-term employee benefits $ 1,688,612 $ 1,962,563 $ 3,148,514
Post-employment benefits 51,122 72,784 149,626
Share-based payments 405,213 353,437 1,045,860
Key management personnel compensation $ 2,144,947 $ 2,388,784 $ 4,344,000