Geographic information - Operations by Geographic Area - Long-lived Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Operations by Geographic Area | ||
| Long-lived assets | $ 46,658 | $ 51,857 |
| Clinical materials | 2,503 | |
| U.K. | ||
| Operations by Geographic Area | ||
| Long-lived assets | 24,329 | 27,367 |
| U.S. | ||
| Operations by Geographic Area | ||
| Long-lived assets | $ 22,329 | $ 24,490 |
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- Definition Clinical materials for use in research and development with alternative future use not expected to be consumed within the normal operating cycle. No definition available.
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- References No definition available.
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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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