Annual report [Section 13 and 15(d), not S-K Item 405]

Share based compensation - Stock Options Outstanding (Details)

v3.25.1
Share based compensation - Stock Options Outstanding (Details)
12 Months Ended
Dec. 31, 2024
£ / shares
shares
Share-based compensation  
Outstanding - Total Share Options | shares 253,387,176
Outstanding - Weighted-Average Remaining Contractual Life 6 years 10 months 24 days
Outstanding - Weighted Average Exercise Price £ 0.31
Exercisable - Total Share Options | shares 129,110,391
Exercisable - Weighted-Average Exercise Price £ 0.5
Exercise Price $0  
Share-based compensation  
Exercise price | shares 0.001
Outstanding - Total Share Options | shares 66,532,906
Outstanding - Weighted-Average Remaining Contractual Life 8 years 1 month 6 days
Outstanding - Weighted Average Exercise Price £ 0
Exercisable - Total Share Options | shares 12,341,961
Exercisable - Weighted-Average Exercise Price £ 0
Exercise Price $0.01 - $0.25  
Share-based compensation  
Exercise Price, Lower Range Limit 0.01
Exercise Price, Upper Range Limit £ 0.25
Outstanding - Total Share Options | shares 74,588,395
Outstanding - Weighted-Average Remaining Contractual Life 8 years 6 months
Outstanding - Weighted Average Exercise Price £ 0.13
Exercisable - Total Share Options | shares 19,963,611
Exercisable - Weighted-Average Exercise Price £ 0.15
Exercise Price $0.26 - $0.50  
Share-based compensation  
Exercise Price, Lower Range Limit 0.26
Exercise Price, Upper Range Limit £ 0.5
Outstanding - Total Share Options | shares 48,832,463
Outstanding - Weighted-Average Remaining Contractual Life 6 years 7 months 6 days
Outstanding - Weighted Average Exercise Price £ 0.37
Exercisable - Total Share Options | shares 34,325,165
Exercisable - Weighted-Average Exercise Price £ 0.39
Exercise Price $0.51 - $0.75  
Share-based compensation  
Exercise Price, Lower Range Limit 0.51
Exercise Price, Upper Range Limit £ 0.75
Outstanding - Total Share Options | shares 35,763,545
Outstanding - Weighted-Average Remaining Contractual Life 3 years 7 months 6 days
Outstanding - Weighted Average Exercise Price £ 0.59
Exercisable - Total Share Options | shares 35,390,721
Exercisable - Weighted-Average Exercise Price £ 0.59
Exercise Price $0.76 - $1.00  
Share-based compensation  
Exercise Price, Lower Range Limit 0.76
Exercise Price, Upper Range Limit £ 1
Outstanding - Total Share Options | shares 21,844,478
Outstanding - Weighted-Average Remaining Contractual Life 4 years
Outstanding - Weighted Average Exercise Price £ 0.84
Exercisable - Total Share Options | shares 21,549,378
Exercisable - Weighted-Average Exercise Price £ 0.84
Exercise Price $1.01 - $1.50  
Share-based compensation  
Exercise Price, Lower Range Limit 1.01
Exercise Price, Upper Range Limit £ 1.5
Outstanding - Total Share Options | shares 3,311,907
Outstanding - Weighted-Average Remaining Contractual Life 4 years 4 months 24 days
Outstanding - Weighted Average Exercise Price £ 1.3
Exercisable - Total Share Options | shares 3,274,431
Exercisable - Weighted-Average Exercise Price £ 1.3
Exercise Price $1.51 - $2.00  
Share-based compensation  
Exercise Price, Lower Range Limit 1.51
Exercise Price, Upper Range Limit £ 2
Outstanding - Total Share Options | shares 1,879,690
Outstanding - Weighted Average Exercise Price £ 1.67
Exercisable - Total Share Options | shares 1,719,718
Exercisable - Weighted-Average Exercise Price £ 1.67
Exercise Price Over $2.00  
Share-based compensation  
Exercise Price, Upper Range Limit £ 2
Outstanding - Total Share Options | shares 633,792
Outstanding - Weighted-Average Remaining Contractual Life 6 years
Outstanding - Weighted Average Exercise Price £ 4.3
Exercisable - Total Share Options | shares 545,406
Exercisable - Weighted-Average Exercise Price £ 4.47