Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 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 financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Property, plant and equipment |
1 363
SEK
|
— | — | — |
3 103
SEK
|
— | — | — | — | — | — | — |
| Right-of-use assets |
9 404
SEK
|
— | — | — |
25 294
SEK
|
— | — | — | — | — | — | — |
| Deferred tax assets |
-
SEK
|
— | — | — |
-
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents |
130 611
SEK
|
— | — | — |
199 777
SEK
|
— | — | — | — |
117 17 3
SEK
|
— | — |
| Assets |
428 031
SEK
|
— | — | — |
5 15 6 0 4
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital |
21 053
SEK
|
— | — | — |
21 053
SEK
|
— | — | — | — | — | — | — |
| Retained earnings |
191 3 44
SEK
|
— | — | — |
275 926
SEK
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent |
2 56 4 01
SEK
|
— | — | — |
340 983
SEK
|
— | — | — | — | — | — | — |
| Equity |
2 56 4 01
SEK
|
19 1 3 4 4
SEK
|
44 004
SEK
|
21 053
SEK
|
340 983
SEK
|
21 053
SEK
|
275 926
SEK
|
44 004
SEK
|
209 078
SEK
|
274 135
SEK
|
44 004
SEK
|
21 053
SEK
|
| Liabilities [abstract] | ||||||||||||
| Deferred tax liabilities |
1 266
SEK
|
— | — | — |
1 006
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities |
428 031
SEK
|
— | — | — |
5 15 6 0 4
SEK
|
— | — | — | — | — | — | — |