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Shareholders' Equity - Schedule of Options Outstanding (Details) | 12 Months Ended |
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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 |  |

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