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Discontinued operations - Staff costs (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Salaries, wages and other benefits | $ 21,254 | $ 18,999 | $ 19,167
Contributions to defined contribution retirement plan | 237 | 135 | 122
Equity-settled share-based payment expenses | 4,286 | 5,356 | 10,142
Total staff costs | 25,777 | 24,490 | 29,431
Direct costs |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 2,281 | 110 | 928
Administrative and other operating expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 17,039 | 14,929 | 18,520
Discontinued operations |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Salaries, wages and other benefits | 5,647 | 7,997 | 17,700
Contributions to defined contribution retirement plan | 441 | 565 | 597
Equity-settled share-based payment expenses | 1,254 | 2,004 | 354
Total staff costs | 7,342 | 10,566 | 18,651
Discontinued operations | Direct costs |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 365 | 492 | 3,128
Discontinued operations | Selling and marketing expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 2,003 | 2,726 | 2,536
Discontinued operations | Research and development expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 731 | 1,142 | 1,598
Discontinued operations | Administrative and other operating expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 4,243 | 6,206 | 11,389
Discontinued operations | Prevention and diagnostics - COVID-19 related and EMEA operations |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Salaries, wages and other benefits | 0 | 0 | 9,122
Contributions to defined contribution retirement plan | 0 | 0 | 0
Equity-settled share-based payment expenses | 0 | 0 | 0
Total staff costs | 0 | 0 | 9,122
Discontinued operations | Prevention and diagnostics - COVID-19 related and EMEA operations | Direct costs |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 0 | 0 | 2,058
Discontinued operations | Prevention and diagnostics - COVID-19 related and EMEA operations | Selling and marketing expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 0 | 0 | 0
Discontinued operations | Prevention and diagnostics - COVID-19 related and EMEA operations | Research and development expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 0 | 0 | 0
Discontinued operations | Prevention and diagnostics - COVID-19 related and EMEA operations | Administrative and other operating expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 0 | 0 | 7,064
Discontinued operations | ACT genomics |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Salaries, wages and other benefits | 5,647 | 7,997 | 8,578
Contributions to defined contribution retirement plan | 441 | 565 | 597
Equity-settled share-based payment expenses | 1,254 | 2,004 | 354
Total staff costs | 7,342 | 10,566 | 9,529
Discontinued operations | ACT genomics | Direct costs |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 365 | 492 | 1,070
Discontinued operations | ACT genomics | Selling and marketing expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 2,003 | 2,726 | 2,536
Discontinued operations | ACT genomics | Research and development expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | 731 | 1,142 | 1,598
Discontinued operations | ACT genomics | Administrative and other operating expenses |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total staff costs | $ 4,243 | $ 6,206 | $ 4,325

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