| Line Item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 |
|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||
| Revenue | — | ||||||||
| Research and development costs | |||||||||
| Administrative costs | |||||||||
| Loss from operations | |||||||||
| Interest Income | |||||||||
| Finance expense | |||||||||
| Loss before tax | |||||||||
| Taxation | |||||||||
| Items that will or may be reclassified subsequently to profit or loss: | |||||||||
| Exchange (loss)/gains arising on translation of foreign operations | — | ||||||||
| Total comprehensive loss attributable to the owners of the parent | |||||||||
| Loss per share | |||||||||
| Earnings Per Share (Basic) | |||||||||
| Earnings Per Share (Diluted) |