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Related party disclosures | 12 Months Ended
--- | ---
Dec. 31, 2017
Related Party Transactions [Abstract] |
Related party disclosures | 14. Related party disclosures Compensation of key management personnel of the Company
|  | 2017 |  |  | 2016 |  |  | 2015 |
|  | (in thousands) |
|  | £ |  |  | £ |  |  | £ |
Short-term employee benefits |  |  | 1,184 |  |  |  | 1,053 |  |  |  | 647 |
Severance payments |  |  | — |  |  |  | 150 |  |  |  | — |
Pension and other benefits |  |  | 56 |  |  |  | 47 |  |  |  | 77 |
Share-based payments |  |  | 11,230 |  |  |  | 731 |  |  |  | 726 |
|  |  | 12,470 |  |  |  | 1,981 |  |  |  | 1,450 |
The amounts disclosed in the table above are the amounts recognized as an expense during the reporting year related to key management personnel.

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