v3.26.3
Share options and warrants - Narrative warrants (Details) - Warrants
12 Months Ended
Jun. 30, 2026
EquityInstruments
£ / shares
Jun. 30, 2025
EquityInstruments
Share options and warrants    
Weighted average contractual life of warrants 1 year 260 days
Exercise price of warrants | £ / shares £ 0.40  
Number of warrants issued   4,209,027
Directors    
Share options and warrants    
Number of warrants issued 0