Share-based compensation - Share-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Total share-based compensation expense included in the consolidated statements of operations | ||
| Total share-based compensation expense | $ 1,448 | $ 3,479 |
| Research and development | ||
| Total share-based compensation expense included in the consolidated statements of operations | ||
| Total share-based compensation expense | 978 | 2,021 |
| General and administrative | ||
| Total share-based compensation expense included in the consolidated statements of operations | ||
| Total share-based compensation expense | $ 470 | $ 1,458 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|