Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
2,561,000
GBP
|
2,7 78
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
20,000
GBP
|
23,000
GBP
|
— |
| Goodwill |
23,4 79
GBP
|
23,4 79
GBP
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
—
GBP
|
175,000
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
1,892,000
GBP
|
2 ,383
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
5,784,000
GBP
|
3,921,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash equivalents [abstract] | |||
| Short-term deposits, classified as cash equivalents |
41,7 40
GBP
|
—
GBP
|
— |
| Cash and cash equivalents |
88,442,000
GBP
|
40,553,000
GBP
|
85,371,000
GBP
|
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities |
2,87 4
GBP
|
31,000
GBP
|
— |
| Trade and other current payables |
14,877,000
GBP
|
10,286,000
GBP
|
— |
| Miscellaneous liabilities [abstract] | |||
| Warrant liability |
352,000
GBP
|
—
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
100,000
GBP
|
243,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
456,091,000
GBP
|
292 ,172
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
328,000
GBP
|
2 97
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
203,739,000
GBP
|
86,854,000
GBP
|
— |
| Merger reserve |
524,572,000
GBP
|
54 ,568
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
185,952,000
GBP
|
92,684,000
GBP
|
— |
| Liabilities |
31,953,000
GBP
|
31,736,000
GBP
|
— |
| Assets (liabilities) |
153,999,000
GBP
|
60,948,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
152,085,000
GBP
|
56,624,000
GBP
|
— |
| Current liabilities |
25, 639
GBP
|
22,986,000
GBP
|
— |
| Assets less current liabilities [abstract] |