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Non-Current Liabilities - US Warrant Liability - Schedule of US Warrant Non-Current Liabilities (Detail) - AUD ($)
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Disclosure of detailed information about warrant liability [line items]      
Changes in fair value of US investor warrants $ (131,896) $ (591,070) $ 8,663,013
July Two Thousand Seventeen Issued Warrants [member]      
Disclosure of detailed information about warrant liability [line items]      
Warrants fair value, Beginning balance 131,896 722,966  
Changes in fair value of US investor warrants (131,896) (591,070)  
Warrants fair value, Ending balance 0 131,896 $ 722,966
July Two Thousand Seventeen Exercise Of Warrants [member]      
Disclosure of detailed information about warrant liability [line items]      
Exercising of warrants $ 0 $ 0