Geographic information - Operations by Geographic Area - Long-lived Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Operations by Geographic Area | ||
| Long-lived assets | $ 51,857 | $ 36,118 |
| Clinical materials | 2,503 | 3,953 |
| United Kingdom | ||
| Operations by Geographic Area | ||
| Long-lived assets | 27,367 | 18,828 |
| United States | ||
| Operations by Geographic Area | ||
| Long-lived assets | $ 24,490 | $ 17,290 |
| X | ||||||||||
- 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.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|