v3.26.3
Share-Based Payments - Summaries of All STI and LTI Performance Rights Granted (Detail) - Share consolidation adjustment [member]
 12 Months Ended
Jun. 30, 2026
shares
$ / shares
Jun. 30, 2025
shares
$ / shares
Jun. 30, 2024
shares
$ / shares
Disclosure of other equity instruments [line items]      
Balance at start of the fiscal year Number 1,211,112 2,161,392 1,893,081
Granted during the fiscal year Number 4,339,509 0 768,311
Exercised during the fiscal year Number (855,556) (950,280) (500,000)
Balance at end of the end fiscal year Number 4,695,065 1,211,112 2,161,392
Vested and exercisable at end of the fiscal year Number 0 0 231,517
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member]      
Disclosure of other equity instruments [line items]      
Balance at start of the fiscal year Number 16,237,064 13,870,535 12,130,033
Granted during the fiscal year Number 758,059 11,200,000 2,724,868
Exercised during the fiscal year Number (5,000,967) (6,827,005) (984,366)
Lapsed during the fiscal year Number 0 (2,006,466) 0
Balance at end of the end fiscal year Number 11,994,156 16,237,064 13,870,535
Vested and exercisable at end of the fiscal year Number 0 834,250 3,256,167
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | October 1, 2021 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares     $ 0.55
Balance at start of the fiscal year Number   0 17,699
Granted during the fiscal year Number     0
Exercised during the fiscal year Number     (17,699)
Lapsed during the fiscal year Number     0
Balance at end of the end fiscal year Number     0
Vested and exercisable at end of the fiscal year Number     0
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | November 26, 2021 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.49 $ 0.49 $ 0.49
Balance at start of the fiscal year Number 1,200,000 3,600,000 3,600,000
Granted during the fiscal year Number 0 0 0
Exercised during the fiscal year Number (1,200,000) (2,400,000) 0
Lapsed during the fiscal year Number 0 0 0
Balance at end of the end fiscal year Number 0 1,200,000 3,600,000
Vested and exercisable at end of the fiscal year Number 0 0 1,200,000
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | November 26, 2021 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.49 $ 0.49 $ 0.49
Balance at start of the fiscal year Number 1,500,000 4,500,000 4,500,000
Granted during the fiscal year Number 0 0 0
Exercised during the fiscal year Number (1,500,000) (3,000,000) 0
Lapsed during the fiscal year Number 0 0 0
Balance at end of the end fiscal year Number 0 1,500,000 4,500,000
Vested and exercisable at end of the fiscal year Number 0 0 1,500,000
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | November 26, 2021 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares   $ 0.29 $ 0.49
Balance at start of the fiscal year Number 966,666 1,933,333 2,900,000
Granted during the fiscal year Number   0 0
Exercised during the fiscal year Number   (966,667) (966,667)
Lapsed during the fiscal year Number   0 0
Balance at end of the end fiscal year Number   966,666 1,933,333
Vested and exercisable at end of the fiscal year Number   0 0
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | December 1, 2021 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.29    
Balance at start of the fiscal year Number 966,666    
Granted during the fiscal year Number 0    
Exercised during the fiscal year Number (966,666)    
Lapsed during the fiscal year Number 0    
Balance at end of the end fiscal year Number 0 966,666  
Vested and exercisable at end of the fiscal year Number 0    
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | December 16, 2022 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.33 $ 0.33 $ 0.33
Balance at start of the fiscal year Number 1,112,334 1,112,334 1,112,334
Granted during the fiscal year Number 0 0 0
Exercised during the fiscal year Number (1,112,334) 0 0
Lapsed during the fiscal year Number 0 0 0
Balance at end of the end fiscal year Number 0 1,112,334 1,112,334
Vested and exercisable at end of the fiscal year Number 0 834,250 556,167
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | January 31, 2024 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.35 $ 0.35 $ 0.35
Balance at start of the fiscal year Number 0 1,343,856 0
Granted during the fiscal year Number   0 1,343,856
Exercised during the fiscal year Number   0 0
Lapsed during the fiscal year Number   (1,343,856) 0
Balance at end of the end fiscal year Number   0 1,343,856
Vested and exercisable at end of the fiscal year Number 0 0 0
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | January 31, 2024 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares   $ 0.35 $ 0.35
Balance at start of the fiscal year Number 258,064 1,381,012 0
Granted during the fiscal year Number 0 0 1,381,012
Exercised during the fiscal year Number (129,032) (460,338) 0
Lapsed during the fiscal year Number 0 (662,610) 0
Balance at end of the end fiscal year Number 129,032 258,064 1,381,012
Vested and exercisable at end of the fiscal year Number   0 0
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | November 22, 2024 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.305 $ 0.305  
Balance at start of the fiscal year Number 2,700,000 0  
Granted during the fiscal year Number 0 2,700,000  
Exercised during the fiscal year Number 0 0  
Lapsed during the fiscal year Number 0 0  
Balance at end of the end fiscal year Number 2,700,000 2,700,000 0
Vested and exercisable at end of the fiscal year Number 0 0  
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | November 22, 2024 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.305 $ 0.305  
Balance at start of the fiscal year Number 3,600,000 0  
Granted during the fiscal year Number 0 3,600,000  
Exercised during the fiscal year Number 0 0  
Lapsed during the fiscal year Number 0 0  
Balance at end of the end fiscal year Number 3,600,000 3,600,000 0
Vested and exercisable at end of the fiscal year Number 0 0  
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | November 22, 2024 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.305 $ 0.305  
Balance at start of the fiscal year Number 3,200,000 0  
Granted during the fiscal year Number 0 3,200,000  
Exercised during the fiscal year Number 0 0  
Lapsed during the fiscal year Number 0 0  
Balance at end of the end fiscal year Number 3,200,000 3,200,000 0
Vested and exercisable at end of the fiscal year Number 0 0  
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | December 5, 2024 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.31 $ 0.31  
Balance at start of the fiscal year Number 1,700,000 0  
Granted during the fiscal year Number 0 1,700,000  
Exercised during the fiscal year Number 0 0  
Lapsed during the fiscal year Number 0 0  
Balance at end of the end fiscal year Number 1,700,000 1,700,000 0
Vested and exercisable at end of the fiscal year Number 0 0  
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member] | October 13, 2025 [member]      
Disclosure of other equity instruments [line items]      
Fair value | $ / shares $ 0.29    
Balance at start of the fiscal year Number 0    
Granted during the fiscal year Number 758,059    
Exercised during the fiscal year Number (92,935)    
Lapsed during the fiscal year Number 0    
Balance at end of the end fiscal year Number 665,124 0  
Vested and exercisable at end of the fiscal year Number 0