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Organization and nature of business (Details) |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Feb. 05, 2021 GBP (£) | Feb. 05, 2021 USD ($) | Jul. 31, 2022 GBP (£) | Jul. 31, 2022 USD ($) | Jun. 30, 2023 ClinicalStageProgram
General information [Abstract] |  |  |  |  |
Number of clinical stage programs | ClinicalStageProgram |  |  |  |  | 4
Ordinary shares [member] |  |  |  |  |
General information [Abstract] |  |  |  |  |
Proceeds from shares issued |  |  | £ 116,812,000 | $ 140,000,000 |
Offering expenses | £ |  |  | £ 388,000 |  |
IPO [Member] |  |  |  |  |
General information [Abstract] |  |  |  |  |
Proceeds from shares issued | £ 210,985,000 | $ 286,887,000 |  |  |

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- Definition The number of clinical stage programs under development. + References No definition available. + Details
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- Details
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