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Other financial liabilities - Additional Information (Detail)
 12 Months Ended
Jan. 14, 2025
AUD ($)
Shares
shares
Jul. 11, 2024
USD ($)
$ / shares
May 17, 2024
Shares
$ / shares
Feb. 21, 2024
AUD ($)
Nov. 30, 2023
AUD ($)
shares
Jun. 30, 2025
AUD ($)
Jun. 30, 2024
AUD ($)
Jun. 30, 2023
AUD ($)
Jan. 30, 2025
AUD ($)
Jan. 14, 2025
$ / shares
Jul. 11, 2024
AUD ($)
shares
Jul. 11, 2024
$ / shares
Nov. 30, 2023
$ / shares
May 01, 2022
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of other equity instruments exercisable | Shares     22,000                      
Exercise price | $ / shares     $ 13.5             $ 7.5     $ 29.15  
Securities expiry date         Jun. 05, 2029                  
Fair value warrants issued           $ 5,445,887                
Rate of consideration for purchasing warrants           5.00%                
Amount for determining exercise price of warrants           $ 6,000,000                
Proceeds from the prefunded warrants and ordinary warrants         $ 2,637,853                  
Proceeds from exercise of warrants   $ 1,178,106       $ 1,178,000 $ 0 $ 0            
Decrease Exercise Price Of Warrant | $ / shares     $ 13.5                      
Number of other equity instruments exercisable in share-based payment arrangement | Shares     22,000                      
Weighted average exercise price of other equity instruments exercisable in share-based payment arrangement | $ / shares     $ 13.5             7.5     $ 29.15  
Number of other equity instruments exercised or vested in share-based payment arrangement | $ / shares   22,000                        
Exercise Price Per Warrant | $ / shares                       $ 13.5    
Number of shares represented by one depositary receipt 100                   11,000,000     500
Warrants exercised at fair value                 $ 2,380,271          
Number of warrants outstanding | shares                     5,000      
Expenses incurred on instrument issued $ 1,495,705                          
Alumni capital [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of shares represented by one depositary receipt                     25,786,480      
Purchase price of shares | $ / shares                       $ 0.9695    
Warrants exercised at fair value                     $ 6,459,840      
Prefunded Warrants [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of shares issued | shares 779,893                          
Proceeds from exercise of warrants       $ 27,725,000                    
Number of other equity instruments exercised or vested in share-based payment arrangement | Shares 779,893                          
Exercise Price Per Warrant | $ / shares                   0.0001        
Purchase price of shares | $ / shares                   $ 1.4999        
At The Market Equity Program [Member] | Alumni capital [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of shares issued | shares                     515,729      
Securities Purchase Agreement [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Fair value warrants issued $ 76,358,000       132,763,000                  
Transaction cost incurred for issue of warrants 228,422,000       $ 382,463,000                  
Proceeds from exercise of warrants 3,263,047                          
Fair value of instrument issued $ 4,530,203                          
Prefunded Warrants [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of other equity instruments exercisable 155,979       36,488                  
Number of other equity instruments exercisable in share-based payment arrangement 155,979       36,488                  
Ordinary Warrants [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of other equity instruments exercisable 266,667       88,888                  
Number of other equity instruments exercisable in share-based payment arrangement 266,667       88,888                  
Ordinary Warrants [Member] | Securities Purchase Agreement [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of shares issued | shares 200,000                          
Financial liabilities, at fair value         $ 3,020,316                  
Issued capital, ordinary shares $ 8,000,000                          
Ordinary Warrants 1 [Member] | Securities Purchase Agreement [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Financial liabilities, at fair value 2,545,276                          
Ordinary Warrants 2 [Member] | Securities Purchase Agreement [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Financial liabilities, at fair value 1,908,568                          
Ordinary Warrants 3 [Member] | Securities Purchase Agreement [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Financial liabilities, at fair value $ 76,358,000                          
American Depositary Shares [Member]                            
Disclosure of Changes in Other Financial Liabilities Current [Line Items]                            
Number of shares issued | shares 110,688       52,400