v3.26.1
Non-current assets - property, plant and equipment (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2025
Jun. 30, 2025
Plant and equipment [Abstract]    
Plant and equipment $ 335 $ 289
Reconciliation of written down [Abstract]    
Opening balance 289 406
Additions 20  
Transfers in/(out) 88  
Closing balance 335 289
Depreciation expense $ (62) (117)
Minimum [member]    
Reconciliation of written down [Abstract]    
Plant and equipment useful life 1 year  
Maximum [member]    
Reconciliation of written down [Abstract]    
Plant and equipment useful life 4 years  
Leasehold Improvements [member]    
Plant and equipment [Abstract]    
Plant and equipment $ 85 0
Reconciliation of written down [Abstract]    
Opening balance 0 0
Additions 0  
Transfers in/(out) 88  
Closing balance 85 0
Depreciation expense (3) 0
Plant and Equipment [Member]    
Plant and equipment [Abstract]    
Plant and equipment 250 289
Reconciliation of written down [Abstract]    
Opening balance 289 406
Additions 20  
Transfers in/(out) 0  
Closing balance 250 289
Depreciation expense (59) (117)
Plant and Equipment - Right-of-use [Member] | Leasehold Improvements [member]    
Plant and equipment [Abstract]    
Plant and equipment 88 0
Reconciliation of written down [Abstract]    
Opening balance 0  
Closing balance 88 0
Plant and Equipment - Right-of-use [Member] | Plant and Equipment [Member]    
Plant and equipment [Abstract]    
Plant and equipment 626 606
Reconciliation of written down [Abstract]    
Opening balance 606  
Closing balance 626 606
Accumulated Depreciation [Member] | Leasehold Improvements [member]    
Plant and equipment [Abstract]    
Plant and equipment (3) 0
Reconciliation of written down [Abstract]    
Opening balance 0  
Closing balance (3) 0
Accumulated Depreciation [Member] | Plant and Equipment [Member]    
Plant and equipment [Abstract]    
Plant and equipment (376) (317)
Reconciliation of written down [Abstract]    
Opening balance (317)  
Closing balance $ (376) $ (317)