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 |
133,780,000
GBP
|
69,728,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
105,886,000
GBP
|
52,000
GBP
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
5,010,000
GBP
|
3,605,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
61,571,000
GBP
|
44, 747
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
12, 625
GBP
|
9,521,000
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
1 41,285
GBP
|
108,944,000
GBP
|
46,7 43
GBP
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
39, 780
GBP
|
–
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current contract liabilities [abstract] | |||
| Non-current contract liabilities |
76,000
GBP
|
92,000
GBP
|
— |
| Non-current deferred income other than non-current contract liabilities |
1, 069
GBP
|
1,760,000
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 contract liabilities [abstract] | |||
| Current contract liabilities |
18,370,000
GBP
|
12,502,000
GBP
|
— |
| Current deferred income other than current contract liabilities |
894,000
GBP
|
894,000
GBP
|
— |
| Trade and other current payables |
36,579,000
GBP
|
19, 058
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
48,132,000
GBP
|
43,088,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
198,545,000
GBP
|
165 ,806
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets (liabilities) |
236,192,000
GBP
|
187 ,338
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
215,504,000
GBP
|
163,844,000
GBP
|
— |
| Current liabilities |
59, 663
GBP
|
33,307,000
GBP
|
— |
| Current assets (liabilities) |
155,841,000
GBP
|
130,537,000
GBP
|
— |
| Assets less current liabilities [abstract] |