| Line Item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 |
|---|---|---|---|---|---|---|---|
| Consolidated Statement of Profit or Loss and Other Comprehensive Income | |||||||
| Research and development expenses | |||||||
| Administrative expenses | |||||||
| Related party administrative expenses | |||||||
| Other operating (expense)/income | |||||||
| Operating loss | |||||||
| Finance income | |||||||
| Finance costs | |||||||
| Related party finance income/(costs) | |||||||
| Net finance income/(costs) | |||||||
| Profit/(loss) before tax | |||||||
| Income tax credit/(expense) | |||||||
| Net profit/(loss) for the year | |||||||
| Other Comprehensive income: | |||||||
| Change in fair value from own credit risk | — | ||||||
| Foreign exchange translation differences | |||||||
| Total other comprehensive income/(loss) for the year | |||||||
| Total comprehensive income/(loss) for the year | |||||||
| Basic earnings/(loss) per share | |||||||
| Diluted loss per share |