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Share-based Payments - Disclosure of weighted average exercise prices for options granted (Details) | 12 Months Ended
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Dec. 31, 2022 £ / shares | Dec. 31, 2022 $ / shares | Dec. 31, 2021 £ / shares | Dec. 31, 2021 $ / shares | Dec. 31, 2020 £ / shares | Dec. 31, 2020 $ / shares
Weighted Average Options granted [Line Items] |  |  |  |  |  |
Weighted average exercise price (in dollars per share) | £ / shares | £ 2.04 |  | £ 3.34 |  | £ 3.14 |
Alivio |  |  |  |  |  |
Weighted Average Options granted [Line Items] |  |  |  |  |  |
Weighted average exercise price (in dollars per share) |  | $ 0 |  | $ 0 |  | $ 0.47
Entrega |  |  |  |  |  |
Weighted Average Options granted [Line Items] |  |  |  |  |  |
Weighted average exercise price (in dollars per share) |  | 0.02 |  | 0 |  | 0
Follica |  |  |  |  |  |
Weighted Average Options granted [Line Items] |  |  |  |  |  |
Weighted average exercise price (in dollars per share) |  | 1.86 |  | 1.86 |  | 0
Sonde |  |  |  |  |  |
Weighted Average Options granted [Line Items] |  |  |  |  |  |
Weighted average exercise price (in dollars per share) |  | 0 |  | 0 |  | 0.18
Vedanta |  |  |  |  |  |
Weighted Average Options granted [Line Items] |  |  |  |  |  |
Weighted average exercise price (in dollars per share) |  | $ 14.94 |  | $ 19.69 |  | $ 19.59

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- Definition The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 45 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Weighted Average Options granted + References No definition available. + Details
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- Details
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