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Shareholders' Equity - Schedule of Options Outstanding (Details)
 12 Months Ended
Dec. 31, 2024
£ / shares
shares
Dec. 31, 2023
shares
Dec. 31, 2024
$ / shares
Class of Stock [Line Items]      
Number of Options, Outstanding at the beginning of the year 15,853,459 11,571,487  
Number of Options, Granted during the year 3,802,542    
Number of Options, Lapsed or forfeited during the year (334,170)    
Options expired (457,998)    
Number of Options, Exercised during the year (1,408,443)    
Number of Options, Outstanding at the year end 17,455,390 15,853,459  
American Depositary Shares      
Class of Stock [Line Items]      
Number of Options, Outstanding at the beginning of the year 5,284,486    
Number of Options, Granted during the year 1,267,514    
Number of Options, Lapsed or forfeited during the year (111,390)    
Options expired (152,666)    
Number of Options, Exercised during the year (469,481)    
Number of Options, Outstanding at the year end 5,818,463 5,284,486  
Options Issued in 2014      
Class of Stock [Line Items]      
Year of issue 2014    
Weighted average Exercise price | (per share) £ 3.31   $ 4.23
Number of Options, Outstanding at the beginning of the year 4,000    
Number of Options, Exercised during the year (4,000)    
Number of Options, Outstanding at the year end   4,000  
Options Issued in 2015      
Class of Stock [Line Items]      
Year of issue 2015    
Weighted average Exercise price | (per share) £ 3.31   4.23
Number of Options, Outstanding at the beginning of the year 3,333    
Number of Options, Outstanding at the year end 3,333 3,333  
Weighted average years to expiry date 6 months 3 days    
Options Issued in 2016      
Class of Stock [Line Items]      
Year of issue 2016    
Weighted average Exercise price | (per share) £ 4.02   5.14
Number of Options, Outstanding at the beginning of the year 9,857    
Number of Options, Exercised during the year (3,333)    
Number of Options, Outstanding at the year end 6,524 9,857  
Weighted average years to expiry date 1 year 2 months 8 days    
Options Issued in 2017      
Class of Stock [Line Items]      
Year of issue 2017    
Weighted average Exercise price | (per share) £ 6.3   8.05
Number of Options, Outstanding at the beginning of the year 39,999    
Number of Options, Exercised during the year (16,666)    
Number of Options, Outstanding at the year end 23,333 39,999  
Weighted average years to expiry date 2 years 11 months 1 day    
Options Issued in 2018      
Class of Stock [Line Items]      
Year of issue 2018    
Weighted average Exercise price | (per share) £ 0.16   0.2
Number of Options, Outstanding at the beginning of the year 36,596    
Number of Options, Exercised during the year (6,003)    
Number of Options, Outstanding at the year end 30,593 36,596  
Weighted average years to expiry date 3 years 3 months 3 days    
Options Issued in 2019      
Class of Stock [Line Items]      
Year of issue 2019    
Weighted average Exercise price | (per share) £ 4.19   5.36
Number of Options, Outstanding at the beginning of the year 577,698    
Number of Options, Exercised during the year (347,701)    
Number of Options, Outstanding at the year end 229,997 577,698  
Weighted average years to expiry date 4 years 9 months 7 days    
Options Issued in 2020      
Class of Stock [Line Items]      
Year of issue 2020    
Weighted average Exercise price | (per share) £ 6.44   8.23
Number of Options, Outstanding at the beginning of the year 261,207    
Number of Options, Lapsed or forfeited during the year (532)    
Number of Options, Exercised during the year (26,497)    
Number of Options, Outstanding at the year end 234,178 261,207  
Weighted average years to expiry date 5 years 5 months 1 day    
Options Issued in 2021      
Class of Stock [Line Items]      
Year of issue 2021    
Weighted average Exercise price | (per share) £ 17.5   22.37
Number of Options, Outstanding at the beginning of the year 662,344    
Number of Options, Lapsed or forfeited during the year (7,691)    
Options expired (62,502)    
Number of Options, Exercised during the year (16,015)    
Number of Options, Outstanding at the year end 576,136 662,344  
Weighted average years to expiry date 6 years 3 months    
Options Issued in 2022      
Class of Stock [Line Items]      
Year of issue 2022    
Weighted average Exercise price | (per share) £ 14.46   18.49
Number of Options, Outstanding at the beginning of the year 1,419,863    
Number of Options, Lapsed or forfeited during the year (27,309)    
Options expired (75,037)    
Number of Options, Exercised during the year (7,019)    
Number of Options, Outstanding at the year end 1,310,498 1,419,863  
Weighted average years to expiry date 7 years 3 months 29 days    
Options Issued in 2023      
Class of Stock [Line Items]      
Year of issue 2023    
Weighted average Exercise price | (per share) £ 10.86   13.88
Number of Options, Outstanding at the beginning of the year 2,269,589    
Number of Options, Granted during the year 0    
Number of Options, Lapsed or forfeited during the year (63,858)    
Options expired (15,127)    
Number of Options, Exercised during the year (42,247)    
Number of Options, Outstanding at the year end 2,148,357 2,269,589  
Weighted average years to expiry date 8 years 2 months 12 days    
Options Issued in 2024      
Class of Stock [Line Items]      
Year of issue 2024    
Weighted average Exercise price | (per share) £ 14.12   $ 18.05
Number of Options, Granted during the year 1,267,514    
Number of Options, Lapsed or forfeited during the year (12,000)    
Number of Options, Outstanding at the year end 1,255,514    
Weighted average years to expiry date 9 years 21 days