v3.25.4
Financial assets and liabilities - Additional Information Borrowings (Details)
$ / shares in Units, $ / shares in Units, $ in Thousands, $ in Millions
 1 Months Ended 6 Months Ended 12 Months Ended
Dec. 30, 2025
USD ($)
shares
Dec. 30, 2025
USD ($)
shares
$ / shares
Mar. 08, 2023
Dec. 22, 2022
Nov. 19, 2021
USD ($)
$ / shares
shares
Jun. 29, 2018
USD ($)
Dec. 31, 2025
USD ($)
shares
$ / shares
Dec. 31, 2025
USD ($)
shares
$ / shares
$ / shares
Dec. 31, 2024
Nov. 30, 2021
$ / shares
shares
Dec. 31, 2025
USD ($)
shares
$ / shares
Dec. 31, 2025
USD ($)
shares
$ / shares
$ / shares
Dec. 31, 2024
USD ($)
Jun. 30, 2025
USD ($)
$ / shares
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
Dec. 31, 2025
AUD ($)
shares
$ / shares
Jun. 30, 2025
$ / shares
Dec. 01, 2024
USD ($)
Jan. 05, 2024
$ / shares
shares
Jan. 04, 2024
Jul. 08, 2022
Disclosure Of Financial Instruments [Line Items]                                          
Proceeds from borrowings                     $ 71,039   $ 0                
Repayment of borrowings                     $ 69,338   2,608                
Share price (in USD/AUD per share) | $ / shares   $ 3.20           $ 3.20                          
Warrant exercise term             5 years       5 years                    
Borrowings             $ 126,870 $ 126,870     $ 126,870 $ 126,870   $ 121,894 $ 121,894            
Gross debt - fixed interest rates                                          
Disclosure Of Financial Instruments [Line Items]                                          
Borrowings             $ 135,144 $ 135,144     $ 135,144 $ 135,144   $ 128,157 $ 128,157            
Key management personnel of entity or parent                                          
Disclosure Of Financial Instruments [Line Items]                                          
Number of warrants granted to purchase shares (in shares) | shares             1,600,000 1,600,000     1,600,000 1,600,000       1,600,000          
Share price (in USD/AUD per share) | $ / shares               $ 2.52                          
American Depositary Shares                                          
Disclosure Of Financial Instruments [Line Items]                                          
Percentage of premium for volume-weighted average price 15.00%           15.00%                            
Warrants                                          
Disclosure Of Financial Instruments [Line Items]                                          
Fair value of warrants issued             $ 4,000 $ 4,000     $ 4,000 $ 4,000       $ 5.9          
Number of warrants granted to purchase american depositary shares (in shares) | shares             884,838 884,838     884,838 884,838       884,838          
Share price (in USD/AUD per share) | $ / shares                     $ 18.04       $ 10.89            
Exercise price (in dollars per share) | $ / shares             $ 14.36 $ 14.36     $ 14.36 $ 14.36   $ 14.36 $ 14.36            
Credit line facility                                          
Disclosure Of Financial Instruments [Line Items]                                          
Depository receipt ratio (in shares) 10 10         10 10     10 10       10          
Borrowings - Oaktree                                          
Disclosure Of Financial Instruments [Line Items]                                          
Percentage of premium for volume-weighted average price       15.00% 15.00%                                
Borrowings         $ 60,000                                
Issuance warrants exercised period     7 years   7 years                                
Remeasurement of borrowing arrangements within finance gains (loss)                     $ 1,500   100                
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 | Tranche one                                          
Disclosure Of Financial Instruments [Line Items]                                          
Borrowings         $ 60,000                                
Borrowings - Oaktree | American Depositary Shares                                          
Disclosure Of Financial Instruments [Line Items]                                          
Exercise price (in dollars per share) | $ / shares         $ 7.26                                
Borrowings - Oaktree | American Depositary Shares | November 2021 warrants                                          
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         $ 7.26                 $ 14.36    
Number of warrants issued to purchase american depositary shares (in shares) | shares                   1,769,669                      
Borrowings - Oaktree | Refinancing and expansion of senior debt facility                                          
Disclosure Of Financial Instruments [Line Items]                                          
Depository receipt ratio (in shares)                                     10 5  
Borrowings - NovaQuest                                          
Disclosure Of Financial Instruments [Line Items]                                          
Amortization period           4 years                              
Remeasurement of borrowing arrangements within finance gains (loss)                     300   $ (100)                
Borrowings - NovaQuest | Gross debt - fixed interest rates                                          
Disclosure Of Financial Instruments [Line Items]                                          
Borrowings term           8 years                              
Borrowings, interest rate           15.00%                              
Borrowings, interest only period           4 years                              
Amortization period                                         4 years
Sales percentage against payment cap amount                                         25.00%
Interest paid                     2,200                    
Reduction in prepayment amount $ 25,000                                        
Borrowings - NovaQuest | Tranche one | Gross debt - fixed interest rates                                          
Disclosure Of Financial Instruments [Line Items]                                          
Borrowings           $ 30,000                              
Credit line facility                                          
Disclosure Of Financial Instruments [Line Items]                                          
Maximum borrowing facility $ 125,000 $ 125,000         $ 125,000 $ 125,000     125,000 $ 125,000                  
Borrowings term 5 years           5 years                            
Proceeds from borrowings $ 75,000           $ 75,000                            
Available borrowing capacity             $ 50,000 $ 50,000     $ 50,000 $ 50,000                  
Borrowings, interest rate             8.00% 8.00%     8.00% 8.00%       8.00%          
Credit line facility | Tranche one                                          
Disclosure Of Financial Instruments [Line Items]                                          
Minimum unrestricted cash balance             $ 15,000 $ 15,000     $ 15,000 $ 15,000                  
Credit line facility | Tranche two                                          
Disclosure Of Financial Instruments [Line Items]                                          
Minimum unrestricted cash balance             $ 25,000 $ 25,000     $ 25,000 $ 25,000                  
Credit line facility | American Depositary Shares                                          
Disclosure Of Financial Instruments [Line Items]                                          
Number of warrants granted to purchase american depositary shares (in shares) | shares 322,576 322,576         322,576 322,576     322,576 322,576       322,576          
Credit line facility | Warrants                                          
Disclosure Of Financial Instruments [Line Items]                                          
Number of warrants granted to purchase shares (in shares) | shares 3,225,756 3,225,756         3,225,756 3,225,756     3,225,756 3,225,756       3,225,756          
Number of warrants granted to purchase american depositary shares (in shares) | shares 3,225,756 3,225,756         3,225,756 3,225,756     3,225,756 3,225,756       3,225,756          
Share price (in USD/AUD per share) | $ / shares                       $ 2.72   $ 2.80              
Exercise price (in dollars per share) | $ / shares                               $ 3.20 $ 3.20        
Senior debt facility | Borrowings - Oaktree                                          
Disclosure Of Financial Instruments [Line Items]                                          
Borrowings term                   5 years                      
Repayment of borrowings             $ 41,700                            
Borrowings, interest rate                   9.75%                      
Borrowings, interest only period                 3 years 3 years                      
Principal balance amortization percentage                 5.00% 5.00%                      
Amortization period                   2 years                      
Unpaid interest portion per annum                   1.75%                      
Borrowings                                   $ 52,200      
Senior debt facility | Borrowings - Oaktree | Quarterly payments                                          
Disclosure Of Financial Instruments [Line Items]                                          
Borrowings, interest rate                   8.00%                      
Senior debt facility | Borrowings - Oaktree | Tranche one                                          
Disclosure Of Financial Instruments [Line Items]                                          
Borrowings, interest rate                   9.75%                      
Loan and security agreement | Borrowings - NovaQuest                                          
Disclosure Of Financial Instruments [Line Items]                                          
Repayment of borrowings $ 25,000           $ 25,000