Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
3,895,000
GBP
|
4,957,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
14,632,000
GBP
|
26,735,000
GBP
|
— |
| Goodwill |
1,719,000
GBP
|
34,365,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
19,778,000
GBP
|
16,809,000
GBP
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets |
5,551,000
GBP
|
6,730,000
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
3,616,000
GBP
|
4,524,000
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
5,212,000
GBP
|
48,743,000
GBP
|
74,103,000
GBP
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
1,048,000
GBP
|
2,140,000
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
1,098,000
GBP
|
1,272,000
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
18,379,000
GBP
|
22,835,000
GBP
|
— |
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Deferred income including contract liabilities [abstract] | |||
| Deferred income including contract liabilities |
14,507,000
GBP
|
13,398,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
156,000
GBP
|
154,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
125,767,000
GBP
|
44,703,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of cash flow hedges |
12,000
GBP
|
–
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
4,376,000
GBP
|
8,327,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
55,763,000
GBP
|
145,242,000
GBP
|
— |
| Liabilities |
38,158,000
GBP
|
42,895,000
GBP
|
— |
| Assets (liabilities) |
17,605,000
GBP
|
102,347,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
34,169,000
GBP
|
76,806,000
GBP
|
— |
| Current liabilities |
36,346,000
GBP
|
39,130,000
GBP
|
— |
| Current assets (liabilities) |
2,177,000
GBP
|
37,676,000
GBP
|
— |
| Assets less current liabilities [abstract] | |||
| Assets less current liabilities |
19,417,000
GBP
|
106,112,000
GBP
|
— |