Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||
| Profit (loss) |
84,725,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
84,725,000
GBP
|
–
GBP
|
83,414,000
GBP
|
— |
83,414,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||||
| Adjustments for income tax expense |
246,000
GBP
|
— | — | — | — | — | — | — | — |
229,000
GBP
|
— | — | — | — | — | — |
| Adjustments for decrease (increase) in inventories |
908,000
GBP
|
— | — | — | — | — | — | — | — |
1,116,000
GBP
|
— | — | — | — | — | — |
| Adjustments for provisions |
773,000
GBP
|
— | — | — | — | — | — | — | — |
183,000
GBP
|
— | — | — | — | — | — |
| Adjustments for share-based payments |
29,000
GBP
|
— | — | — | — | — | — | — | — |
1,676,000
GBP
|
— | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities |
246,000
GBP
|
— | — | — | — | — | — | — | — |
229,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities |
31,159,000
GBP
|
— | — | — | — | — | — | — | — |
12,826,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities |
325,000
GBP
|
— | — | — | — | — | — | — | — |
797,000
GBP
|
— | — | — | — | — | — |
| Interest received, classified as investing activities |
997,000
GBP
|
— | — | — | — | — | — | — | — |
1,586,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities |
9,118,000
GBP
|
— | — | — | — | — | — | — | — |
10,729,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||
| Proceeds from borrowings, classified as financing activities |
–
GBP
|
— | — | — | — | — | — | — | — |
1,466,000
GBP
|
— | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities |
1,266,000
GBP
|
— | — | — | — | — | — | — | — |
1,401,000
GBP
|
— | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities |
1,611,000
GBP
|
— | — | — | — | — | — | — | — |
1,481,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities |
3,254,000
GBP
|
— | — | — | — | — | — | — | — |
1,805,000
GBP
|
— | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
43,531,000
GBP
|
— | — | — | — | — | — | — | — |
25,360,000
GBP
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
5,212,000
GBP
|
— | — | — |
48,743,000
GBP
|
— | — | — | — |
74,103,000
GBP
|