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Share-Based Payments - Additional Information (Detail)
12 Months Ended
Jun. 30, 2024
shares
$ / shares
Jun. 30, 2023
shares
$ / shares
Jun. 30, 2022
shares
$ / shares
Jun. 30, 2016
Disclosure of other equity instruments [line items]        
Options granted 0 0    
Performance Rights Issued to Non Executive Directors [member] | Share consolidation adjustment [member]        
Disclosure of other equity instruments [line items]        
Weighted average share price on the exercising date $ 0.285 $ 0.28 $ 0.523  
Equity incentive plan [member]        
Disclosure of other equity instruments [line items]        
Options granted | shares 0 0 0  
Weighted average remaining contractual life of performance rights outstanding 2 years 11 months 1 day      
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement $ 0      
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member]        
Disclosure of other equity instruments [line items]        
Weighted average share price on the exercising date $ 0.285 $ 0.24 $ 0.535  
Russell Howard [Member]        
Disclosure of other equity instruments [line items]        
Share approved for issuance | shares   178,356    
Weighted average remaining contractual life of performance rights outstanding   4 years 7 days   1 year 1 month 6 days
Exercise price      
Lis Boyce [Member]        
Disclosure of other equity instruments [line items]        
Share approved for issuance | shares   589,955