v3.26.3
Key Management Personnel Disclosures - Summary of Number of Performance Rights Over Ordinary Shares in Parent Entity (Detail) - Performance rights [member]
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 13,877,778 12,538,581 9,993,081
Granted 5,097,568 9,500,000 2,112,167
Exercised (4,115,157) (6,816,947) (500,000)
Other changes 0 (1,343,856) 0
Balance at end of the end fiscal year Number 14,860,189 13,877,778 12,538,581
Vested and exercisable 0 0 2,931,517
Unvested 14,860,189 13,877,778 8,673,731
Previously Reported [Member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number   11,605,248  
Balance at end of the end fiscal year Number     11,605,248
Dr Russell Howard [member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 100,000 404,770 226,414
Granted 1,573,646 0 178,356
Exercised (300,000) (304,770) 0
Other changes 0 0 0
Balance at end of the end fiscal year Number 1,373,646 100,000 404,770
Vested and exercisable 0 0 141,563
Unvested 1,373,646 100,000 263,207
Mr Pete Meyers [member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 777,778 1,166,667 1,666,667
Granted 2,058,631 0 0
Exercised (388,889) (388,889) (500,000)
Other changes 0 0 0
Balance at end of the end fiscal year Number 2,447,520 777,778 1,166,667
Vested and exercisable 0 0 0
Unvested 2,447,520 777,778 1,166,667
Mr Marc Voigt [member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 4,800,000 3,600,000 3,600,000
Granted 0 3,600,000 0
Exercised (1,200,000) (2,400,000) 0
Other changes 0 0 0
Balance at end of the end fiscal year Number 3,600,000 4,800,000 3,600,000
Vested and exercisable 0 0 1,200,000
Unvested 3,600,000 4,800,000 2,400,000
Dr Frédéric Triebel [member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 3,600,000 2,700,000 2,700,000
Granted 0 2,700,000 0
Exercised (900,000) (1,800,000) 0
Other changes 0 0 0
Balance at end of the end fiscal year Number 2,700,000 3,600,000 2,700,000
Vested and exercisable 0 0 900,000
Unvested 2,700,000 3,600,000 1,800,000
Ms Anne Anderson [Member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 0 0 0
Granted   0 0
Exercised   0 0
Other changes   0 0
Balance at end of the end fiscal year Number   0 0
Vested and exercisable   0 0
Unvested   0 0
Ms Lis Boyce [Member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 333,334 589,955 0
Granted 707,232 0 589,955
Exercised (166,667) (256,621) 0
Other changes 0 0 0
Balance at end of the end fiscal year Number 873,899 333,334 589,955
Vested and exercisable 0 0 89,954
Unvested 873,899 333,334 500,001
Ms Deanne Miller [member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 2,400,000 1,800,000 1,800,000
Granted 0 1,800,000 0
Exercised (600,000) (1,200,000) 0
Other changes 0 0 0
Balance at end of the end fiscal year Number 1,800,000 2,400,000 1,800,000
Vested and exercisable 0 0 600,000
Unvested 1,800,000 2,400,000 1,200,000
Mr Christian Mueller [Member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number [1] 1,866,666 933,333  
Granted [1] 0 1,400,000  
Exercised [1] (466,666) (466,667)  
Other changes 0 0  
Balance at end of the end fiscal year Number 1,400,000 1,866,666 [1] 933,333 [1]
Vested and exercisable 0 0  
Unvested 1,400,000 1,866,666  
Dr Stephan Winckels [Member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 0    
Granted 758,059    
Exercised (92,935)    
Other changes 0    
Balance at end of the end fiscal year Number 665,124 0  
Vested and exercisable 0    
Unvested 665,124    
Dr Florian Vogl [Member]      
Disclosure of key management personnel compensation [line items]      
Balance at start of the fiscal year Number 0 1,343,856 0
Granted   0 1,343,856
Exercised   0 0
Other changes   (1,343,856) 0
Balance at end of the end fiscal year Number   0 1,343,856
Vested and exercisable   0 0
Unvested   0 1,343,856
[1] Performance rights held before being appointed as key management personnel