v3.25.4
Financial assets and liabilities - Additional Information Warrants (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 6 Months Ended
Dec. 30, 2025
USD ($)
$ / shares
shares
Mar. 08, 2023
Dec. 22, 2022
$ / shares
shares
Nov. 19, 2021
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Jan. 31, 2025
USD ($)
shares
Dec. 31, 2022
$ / shares
shares
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
Jun. 30, 2025
USD ($)
shares
Dec. 31, 2024
$ / shares
shares
Jun. 30, 2024
shares
Jan. 05, 2024
$ / shares
shares
Jan. 04, 2024
Nov. 30, 2021
$ / shares
shares
Disclosure Of Financial Instruments [Line Items]                              
Borrowings | $         $ 126,870     $ 126,870   $ 121,894          
Transfer of exercised options | $               $ 0 $ 0            
Share price (in USD/AUD per share) | $ / shares $ 3.20       $ 3.20                    
Warrant exercise term         5 years     5 years              
Warrants fair value at issue date | $         $ 14,200     $ 14,200   $ 5,700          
Gain (loss) on remeasurement of warrant liability | $               4,500 12,000            
Credit line facility                              
Disclosure Of Financial Instruments [Line Items]                              
Maximum borrowing facility | $ $ 125,000       $ 125,000     $ 125,000              
Borrowings term 5 years       5 years                    
Ordinary shares                              
Disclosure Of Financial Instruments [Line Items]                              
Ordinary shares (in shares) | shares         1,290,302,187     1,290,302,187   1,279,967,187 1,154,023,928 1,141,784,114      
Transfer of exercised options | $               $ 3,994 1,341            
Credit line facility                              
Disclosure Of Financial Instruments [Line Items]                              
Depository receipt ratio (in shares) 10       10     10              
American Depositary Shares                              
Disclosure Of Financial Instruments [Line Items]                              
Percentage of premium for volume-weighted average price 15.00%       15.00%                    
American Depositary Shares | Credit line facility                              
Disclosure Of Financial Instruments [Line Items]                              
Number of warrants granted to purchase american depositary shares (in shares) | shares 322,576       322,576     322,576              
Issued Capital                              
Disclosure Of Financial Instruments [Line Items]                              
Transfer of exercised options | $               $ 5,173 $ 3,613            
Borrowings - Oaktree                              
Disclosure Of Financial Instruments [Line Items]                              
Borrowings | $       $ 60,000                      
Percentage of premium for volume-weighted average price     15.00% 15.00%                      
Issuance warrants exercised period   7 years   7 years                      
Borrowings - Oaktree | Ordinary shares                              
Disclosure Of Financial Instruments [Line Items]                              
Ordinary shares (in shares) | shares           2,275,020                  
Borrowings - Oaktree | Refinancing and expansion of senior debt facility                              
Disclosure Of Financial Instruments [Line Items]                              
Depository receipt ratio (in shares)                         10 5  
Borrowings - Oaktree | American Depositary Shares                              
Disclosure Of Financial Instruments [Line Items]                              
Exercise price (in dollars per share) | $ / shares       $ 7.26                      
Borrowings - Oaktree | Issued Capital                              
Disclosure Of Financial Instruments [Line Items]                              
Number of ordinary shares per warrant (in shares) | shares           10                  
Borrowings - Oaktree | Issued Capital | Ordinary shares                              
Disclosure Of Financial Instruments [Line Items]                              
Transfer of exercised options | $           $ 1,600                  
Borrowings - Oaktree | Issued Capital | American Depositary Shares                              
Disclosure Of Financial Instruments [Line Items]                              
Transfer of exercised options | $           $ 3,900                  
Borrowings - Oaktree | Warrants                              
Disclosure Of Financial Instruments [Line Items]                              
Number of warrants granted to purchase american depositary shares (in shares) | shares       1,769,669                      
Borrowings - Oaktree | December 2022 warrants                              
Disclosure Of Financial Instruments [Line Items]                              
Exercise price (in dollars per share) | $ / shares                     $ 7.24        
Number of warrants issued to purchase american depositary shares (in shares) | shares             455,000       188,122   227,502    
Borrowings - Oaktree | December 2022 warrants | Refinancing and expansion of senior debt facility | American Depositary Shares                              
Disclosure Of Financial Instruments [Line Items]                              
Number of warrants exercised (in shares) | shares             227,502                
Borrowings - Oaktree | December 2022 warrants | American Depositary Shares                              
Disclosure Of Financial Instruments [Line Items]                              
Number of warrants granted to purchase american depositary shares (in shares) | shares     455,000                        
Exercise price (in dollars per share) | $ / shares     $ 3.70       $ 3.70           $ 7.24    
Borrowings - Oaktree | November 2021 warrants                              
Disclosure Of Financial Instruments [Line Items]                              
Number of warrants issued to purchase american depositary shares (in shares) | shares                         884,838    
Borrowings - Oaktree | November 2021 warrants | American Depositary Shares                              
Disclosure Of Financial Instruments [Line Items]                              
Number of warrants granted to purchase american depositary shares (in shares) | shares       1,769,669                      
Exercise price (in dollars per share) | $ / shares       $ 7.26                 $ 14.36   $ 7.26
Number of warrants issued to purchase american depositary shares (in shares) | shares                             1,769,669
Borrowings - Oaktree | Tranche one                              
Disclosure Of Financial Instruments [Line Items]                              
Borrowings | $       $ 60,000