v3.26.1
Financial risk management - Summary of Group's Receivables (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disclosure Of Financial Instruments [Line Items]      
Deposits at call $ 55,524 $ 393 $ 397
Cash at bank 47,390 161,158 $ 62,563
Receivable from Governments (Goods and Services Tax) 583 765  
Credit risk | Australian government      
Disclosure Of Financial Instruments [Line Items]      
Receivable from Governments (Goods and Services Tax) 180 587  
Receivable from Governments (Foreign Withholding Tax) 20 22  
Credit risk | Singapore government      
Disclosure Of Financial Instruments [Line Items]      
Receivable from Governments (Goods and Services Tax) 372 150  
Credit risk | Swiss government      
Disclosure Of Financial Instruments [Line Items]      
Receivable from the Swiss Government (Value-Added Tax) 10 4  
Credit risk | United Kingdom government      
Disclosure Of Financial Instruments [Line Items]      
Receivable from Governments (Foreign Withholding Tax) 2 2  
A rated | Credit risk      
Disclosure Of Financial Instruments [Line Items]      
Deposits at call 55,524 393  
Cash at bank 47,390 161,158  
Receivable from minimum A rated bank deposits (interest) 1 2  
Minimum A rated bank deposits (held as security) 1,205 1,297  
Non-rated | Credit risk      
Disclosure Of Financial Instruments [Line Items]      
Receivable from other parties (non-rated) $ 57,075 $ 13,911