Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
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 |
386 265
SEK
|
930 680
SEK
|
— |
541 450
SEK
|
— |
541 450
SEK
|
— |
3 841
SEK
|
876,000
SEK
|
— | — | — | — |
327 492
SEK
|
707 805
SEK
|
373 349
SEK
|
839,000
SEK
|
— |
7 802
SEK
|
— | — |
373 349
SEK
|
— | — |
386 708
SEK
|
711,000
SEK
|
675 690
SEK
|
289 103
SEK
|
833,000
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||
| Profit (loss) | — | — |
58 773
SEK
|
— |
-
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
58 773
SEK
|
58 773
SEK
|
38 388
SEK
|
— | — | — | — |
38 388
SEK
|
— | — | — | — | — |
38 388
SEK
|
— | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — |
3 961
SEK
|
— |
7 091
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
54 812
SEK
|
— |
3 961
SEK
|
— |
-
SEK
|
— | — |
-
SEK
|
54 812
SEK
|
58 773
SEK
|
45 479
SEK
|
— | — | — | — |
38 388
SEK
|
— |
-
SEK
|
-
SEK
|
— |
7 091
SEK
|
45 479
SEK
|
— | — | — | — | — |
| Issue of equity | — | — |
222 913
SEK
|
— |
-
SEK
|
— |
38,000
SEK
|
— | — |
222 875
SEK
|
— |
-
SEK
|
— | — | — | — | — |
-
SEK
|
— |
32 115
SEK
|
6,000
SEK
|
— |
-
SEK
|
32 121
SEK
|
— | — | — | — | — |