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Share-Based Payments - Summary of Contractor ADS Options Outstanding (Details)
 12 Months Ended
Jun. 30, 2025
shares
$ / shares
Jun. 30, 2024
shares
$ / shares
Jun. 30, 2023
shares
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Balance, number of options and rights 35,300,000 25,450,000 22,988,000
To contractors under additional Terms, number of options and rights 16,127,200 9,850,000 10,050,000
Exercised during the year, number of options and rights (156,250)   (6,613,000)
Expired during the year, number of options and rights (7,481,867)   (975,000)
Balance, number of options and rights 43,789,083 35,300,000 25,450,000
Outstanding options and rights exercisable 24,354,341 20,024,203 10,842,234
Balance, weighted average exercise price | $ / shares $ 0.89 $ 1.04 $ 1.16
To contractors under additonal Terms, weighted average exercise price | $ / shares 0.65 0.3 0.58
Expired during the year, weighted average exercise price | $ / shares 2.71   0.61
Balance, weighted average exercise price | $ / shares 0.51 0.89 1.04
Exercisable at end of year, weighted average exercise price | $ / shares $ 0.60 $ 1.19 $ 1.48
Contractor American Depository Shares      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Balance, number of options and rights 277,000    
To contractors under additional Terms, number of options and rights   277,000  
Expired during the year, number of options and rights (169,284)    
Balance, number of options and rights 107,716 277,000  
Outstanding options and rights exercisable 107,716 39,220  
Balance, weighted average exercise price | $ / shares $ 3.14    
To contractors under additonal Terms, weighted average exercise price | $ / shares   $ 3.14  
Expired during the year, weighted average exercise price | $ / shares 3.14    
Balance, weighted average exercise price | $ / shares 3.14 3.14  
Exercisable at end of year, weighted average exercise price | $ / shares $ 3.14 $ 3.16