Annual report pursuant to Section 13 and 15(d)

Share based compensation - Stock Options Outstanding (Details)

v3.20.4
Share based compensation - Stock Options Outstanding (Details)
12 Months Ended
Dec. 31, 2020
£ / shares
shares
Share-based compensation  
Outstanding - Total Share Options | shares 91,643,184
Outstanding - Weighted-Average Remaining Contractual Life 6 years 10 months 24 days
Outstanding - Weighted Average Exercise Price £ 0.55
Exercisable - Total Share Options | shares 53,554,476
Exercisable - Weighted-Average Exercise Price £ 0.65
Exercise Price $0  
Share-based compensation  
Exercise price | shares 0
Outstanding - Total Share Options | shares 16,117,702
Outstanding - Weighted-Average Remaining Contractual Life 8 years 4 months 24 days
Outstanding - Weighted Average Exercise Price £ 0.00
Exercisable - Total Share Options | shares 1,644,991
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 3,283,400
Outstanding - Weighted-Average Remaining Contractual Life 4 years 2 months 12 days
Outstanding - Weighted Average Exercise Price £ 0.14
Exercisable - Total Share Options | shares 2,710,901
Exercisable - Weighted-Average Exercise Price £ 0.12
Exercise Price $0.26 - $0.50  
Share-based compensation  
Exercise Price, Lower Range Limit 0.26
Exercise Price, Upper Range Limit £ 0.50
Outstanding - Total Share Options | shares 15,844,377
Outstanding - Weighted-Average Remaining Contractual Life 5 years 7 months 6 days
Outstanding - Weighted Average Exercise Price £ 0.41
Exercisable - Total Share Options | shares 12,545,729
Exercisable - Weighted-Average Exercise Price £ 0.42
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 36,418,280
Outstanding - Weighted-Average Remaining Contractual Life 7 years 4 months 24 days
Outstanding - Weighted Average Exercise Price £ 0.62
Exercisable - Total Share Options | shares 21,166,559
Exercisable - Weighted-Average Exercise Price £ 0.63
Exercise Price $0.76 - $1.00  
Share-based compensation  
Exercise Price, Lower Range Limit 0.76
Exercise Price, Upper Range Limit £ 1.00
Outstanding - Total Share Options | shares 13,871,334
Outstanding - Weighted-Average Remaining Contractual Life 5 years 10 months 24 days
Outstanding - Weighted Average Exercise Price £ 0.93
Exercisable - Total Share Options | shares 12,394,690
Exercisable - Weighted-Average Exercise Price £ 0.92
Exercise Price $1.01 - $1.50  
Share-based compensation  
Exercise Price, Lower Range Limit 1.01
Exercise Price, Upper Range Limit £ 1.50
Outstanding - Total Share Options | shares 4,492,290
Outstanding - Weighted-Average Remaining Contractual Life 8 years 3 months 18 days
Outstanding - Weighted Average Exercise Price £ 1.23
Exercisable - Total Share Options | shares 1,574,057
Exercisable - Weighted-Average Exercise Price £ 1.17
Exercise Price $1.51 - $2.00  
Share-based compensation  
Exercise Price, Lower Range Limit 1.51
Exercise Price, Upper Range Limit £ 2.00
Outstanding - Total Share Options | shares 1,615,801
Outstanding - Weighted-Average Remaining Contractual Life 6 years 3 months 18 days
Outstanding - Weighted Average Exercise Price £ 1.70
Exercisable - Total Share Options | shares 1,517,549
Exercisable - Weighted-Average Exercise Price £ 1.70