Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||
| Profit (loss) | — |
—
GBP
|
4, 30 9
GBP
|
—
GBP
|
4 ,30 9
GBP
|
—
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
14 , 6 6 0
GBP
|
14 , 6 6 0
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||
| Adjustments for finance costs | — | — |
4 , 57 3
GBP
|
— | — | — | — | — | — | — | — | — |
10 , 3 7 9
GBP
|
— | — |
| Adjustments for decrease (increase) in inventories | — | — |
5 , 8 31
GBP
|
— | — | — | — | — | — | — | — | — |
31 , 69 5
GBP
|
— | — |
| Adjustments for provisions | — | — |
1 , 2 97
GBP
|
— | — | — | — | — | — | — | — | — |
158,000
GBP
|
— | — |
| Adjustments for share-based payments | — | — |
250,000
GBP
|
— | — | — | — | — | — | — | — | — |
—
GBP
|
— | — |
| Cash flows from (used in) operations | — | — |
3 0 , 3 47
GBP
|
— | — | — | — | — | — | — | — | — |
25,0 4 8
GBP
|
— | — |
| Interest received, classified as operating activities | — | — |
50,000
GBP
|
— | — | — | — | — | — | — | — | — |
141,000
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — |
3 , 8 01
GBP
|
— | — | — | — | — | — | — | — | — |
3 ,7 3 4
GBP
|
— | — |
| Cash flows from (used in) operating activities | — | — |
26 , 59 6
GBP
|
— | — | — | — | — | — | — | — | — |
21 , 4 55
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
20,4 84
GBP
|
— | — | — | — | — | — | — | — | — |
—
GBP
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
316,000
GBP
|
— | — | — | — | — | — | — | — | — |
487,000
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
9 , 6 71
GBP
|
— | — | — | — | — | — | — | — | — |
8 ,6 4 6
GBP
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — |
16 4
GBP
|
— | — | — | — | — | — | — | — | — |
—
GBP
|
— | — |
| Cash flows from (used in) investing activities | — | — |
3 0, 0 03
GBP
|
— | — | — | — | — | — | — | — | — |
8 , 1 59
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||
| Proceeds from issuing shares | — | — |
—
GBP
|
— | — | — | — | — | — | — | — | — |
25,0 85
GBP
|
— | — |
| Payments to acquire or redeem entity's shares | — | — |
—
GBP
|
— | — | — | — | — | — | — | — | — |
13,000
GBP
|
— | — |
| Proceeds from borrowings, classified as financing activities | — | — |
3 4 , 122
GBP
|
— | — | — | — | — | — | — | — | — |
56 ,5 00
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities | — | — |
2 ,0 49
GBP
|
— | — | — | — | — | — | — | — | — |
1, 666
GBP
|
— | — |
| Dividends paid, classified as financing activities | — | — |
4 , 9 41
GBP
|
— | — | — | — | — | — | — | — | — |
—
GBP
|
— | — |
| Interest paid, classified as financing activities | — | — |
3 , 26 9
GBP
|
— | — | — | — | — | — | — | — | — |
7 79
GBP
|
— | — |
| Cash flows from (used in) financing activities | — | — |
11 , 4 3 8
GBP
|
— | — | — | — | — | — | — | — | — |
9 ,7 7 5
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
8 , 0 31
GBP
|
— | — | — | — | — | — | — | — | — |
3 , 521
GBP
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
953,000
GBP
|
— | — | — | — | — | — | — | — | — |
8 , 0 41
GBP
|
— | — |
| Cash and cash equivalents |
22 , 6 41
GBP
|
— | — | — | — | — | — |
15, 56 3
GBP
|
— | — | — | — | — | — |
20,0 83
GBP
|