Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Property, plant and equipment | — | — | — |
4 718
SEK
|
5 350
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
35 672
SEK
|
45 924
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
107 898
SEK
|
117 0 0 2
SEK
|
— | — | — |
130 611
SEK
|
— | — | — |
| Assets | — | — | — |
459 413
SEK
|
433 849
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — | — |
21 053
SEK
|
21 053
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — | — |
219 922
SEK
|
188 514
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
284 979
SEK
|
253 571
SEK
|
— | — | — | — | — | — | — |
| Equity |
21 053
SEK
|
219 922
SEK
|
44 004
SEK
|
284 979
SEK
|
253 571
SEK
|
188 514
SEK
|
21 053
SEK
|
44 004
SEK
|
2 5 6 4 01
SEK
|
191 3 44
SEK
|
44 004
SEK
|
21 053
SEK
|
| Liabilities [abstract] | ||||||||||||
| Deferred tax liabilities | — | — | — |
1 724
SEK
|
1 933
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
459 413
SEK
|
433 849
SEK
|
— | — | — | — | — | — | — |