v3.26.3
Share-Based Payments - Additional Information (Detail)
12 Months Ended
Jun. 30, 2026
shares
$ / shares
Jun. 30, 2025
shares
$ / shares
Jun. 30, 2024
$ / 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 $ 0.26 $ 0.332 $ 0.285  
Equity incentive plan [member]        
Disclosure of other equity instruments [line items]        
Options granted | shares 0 0    
Weighted average remaining contractual life of performance rights outstanding 3 years 7 months 2 days      
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 $ 0.26 $ 0.284 $ 0.285  
Russell Howard [Member]        
Disclosure of other equity instruments [line items]        
Weighted average remaining contractual life of performance rights outstanding 4 years 1 month 2 days    
Exercise price $ 0