Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 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 |
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 |
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 |
2020-01-01 to 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 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | — |
405 827
SEK
|
678 831
SEK
|
— |
307 834
SEK
|
— |
307 834
SEK
|
–
SEK
|
— |
254,000
SEK
|
34 576
SEK
|
— | — | — | — |
286 491
SEK
|
–
SEK
|
493 731
SEK
|
236 056
SEK
|
28 697
SEK
|
— |
119,000
SEK
|
— | — |
236 056
SEK
|
— | — | — |
237 062
SEK
|
–
SEK
|
124,000
SEK
|
405 061
SEK
|
237 062
SEK
|
191 612
SEK
|
23 489
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
-
SEK
|
— | — |
125 903
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
— | — |
-
SEK
|
125 903
SEK
|
125 903
SEK
|
98 697
SEK
|
— | — | — | — | — |
98 697
SEK
|
— |
-
SEK
|
-
SEK
|
— |
-
SEK
|
-
SEK
|
98 697
SEK
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — |
135,000
SEK
|
— |
5,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
–
SEK
|
— | — |
125 768
SEK
|
— |
135,000
SEK
|
— | — |
–
SEK
|
— | — |
–
SEK
|
125 768
SEK
|
125 903
SEK
|
98 702
SEK
|
— | — | — | — | — |
98 697
SEK
|
— |
–
SEK
|
–
SEK
|
— |
5,000
SEK
|
–
SEK
|
98 702
SEK
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
SEK
|
— | — |
6 964
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
— | — |
-
SEK
|
6 964
SEK
|
6 964
SEK
|
4 329
SEK
|
— | — | — | — | — |
4 329
SEK
|
— |
-
SEK
|
-
SEK
|
— |
-
SEK
|
-
SEK
|
4 329
SEK
|
— | — | — | — | — | — | — |