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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Equity |
717 792
SEK
|
911 831
SEK
|
282 273
SEK
|
— |
88 234
SEK
|
— | — | — | — |
576 052
SEK
|
662 741
SEK
|
28 555
SEK
|
— | — |
115 244
SEK
|
— |
662 741
SEK
|
258 498
SEK
|
432 798
SEK
|
28 555
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — |
141 736
SEK
|
141 736
SEK
|
143 296
SEK
|
— | — | — |
143 296
SEK
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — |
-
SEK
|
— |
-
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
-
SEK
|
— |
-
SEK
|
141 736
SEK
|
141 736
SEK
|
143 296
SEK
|
— | — | — |
143 296
SEK
|
-
SEK
|
— |
-
SEK
|
— | — | — | — |
| Issue of equity | — | — | — |
59 679
SEK
|
— |
299 891
SEK
|
359 570
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — |
3,000
SEK
|
3,000
SEK
|
42,000
SEK
|
— | — | — |
42,000
SEK
|
— | — | — | — | — | — | — |