v3.25.2
Stock-based Compensation - Equity Incentive Plan (Details) - Equity Incentive Plan - Employee stock option - $ / shares
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Number of options outstanding (in shares) 54,001,222 54,501,222 57,501,251
Exercise
price (in AUD per share) $ 0.3617 $ 0.3620 $ 0.3634
Second range      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Number of options outstanding (in shares) 10,734,584    
Exercise
price (in AUD per share) $ 0.32    
First range      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Number of options outstanding (in shares) 7,416,667    
Exercise
price (in AUD per share) $ 0.2367    
Third range      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Number of options outstanding (in shares) 35,850,000    
Exercise
price (in AUD per share) $ 0.40    
Expiry period after vesting 5 years    
Tranche 1 | Third range      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting conditions, percentage 25.00%    
VWAP term 90 days    
Lower limit (in AUD per share) $ 1.00    
Tranche 2 | Third range      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting conditions, percentage 25.00%    
VWAP term 90 days    
Lower limit (in AUD per share) $ 1.50    
Tranche 3 | Third range      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting conditions, percentage 25.00%    
VWAP term 90 days    
Lower limit (in AUD per share) $ 2.00    
Tranche 4 | Third range      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting conditions, percentage 25.00%    
VWAP term 90 days    
Lower limit (in AUD per share) $ 2.50