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 | — | — | — |
1 179
SEK
|
1 117
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
21 005
SEK
|
10 543
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
392 409
SEK
|
591 822
SEK
|
— | — | — |
201 842
SEK
|
— | — | — |
| Assets | — | — | — |
4 674 701
SEK
|
4 732 433
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — | — |
344 241
SEK
|
344 241
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — | — |
3 702 731
SEK
|
3 765 655
SEK
|
— | — | — | — | — | — | — |
| Equity |
344 241
SEK
|
596 962
SEK
|
3 702 731
SEK
|
4 643 934
SEK
|
4 706 857
SEK
|
3 765 655
SEK
|
344 241
SEK
|
596 962
SEK
|
6 678 398
SEK
|
5 737 195
SEK
|
596 962
SEK
|
344 241
SEK
|
| Equity and liabilities | — | — | — |
4 674 701
SEK
|
4 732 433
SEK
|
— | — | — | — | — | — | — |