Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
561 979
SEK
|
1 192 727
SEK
|
646 528
SEK
|
— | — |
183,000
SEK
|
15 597
SEK
|
— | — | — | — |
515 441
SEK
|
1 192 727
SEK
|
15 597
SEK
|
— |
267,000
SEK
|
— | — |
692 616
SEK
|
— |
9 473
SEK
|
1 192 727
SEK
|
463 745
SEK
|
754 052
SEK
|
15 597
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — | — | — |
-
SEK
|
-
SEK
|
— | — |
-
SEK
|
13 124
SEK
|
13 124
SEK
|
237 383
SEK
|
— | — | — |
237 383
SEK
|
— |
-
SEK
|
-
SEK
|
— |
-
SEK
|
— | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — |
450,000
SEK
|
— |
9 740
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
450,000
SEK
|
-
SEK
|
— | — |
-
SEK
|
12 674
SEK
|
13 124
SEK
|
227 643
SEK
|
— | — | — |
237 383
SEK
|
— |
-
SEK
|
-
SEK
|
— |
9 740
SEK
|
— | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — | — | — |
1 228
SEK
|
— | — | — |
1 228
SEK
|
— |
-
SEK
|
-
SEK
|
— |
-
SEK
|
— | — | — | — | — |