Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Property, plant and equipment | — | — | — |
11,000
SEK
|
22,000
SEK
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
82 705
SEK
|
95 554
SEK
|
— | — | — | — |
84 879
SEK
|
— | — |
| Assets | — | — | — |
126 373
SEK
|
137 501
SEK
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — | — |
60 530
SEK
|
60 530
SEK
|
— | — | — | — | — | — | — |
| Retained earnings | — | — | — |
48 397
SEK
|
59 523
SEK
|
— | — | — | — | — | — | — |
| Equity |
60 530
SEK
|
48 397
SEK
|
16 150
SEK
|
125 076
SEK
|
136 202
SEK
|
59 523
SEK
|
60 530
SEK
|
16 150
SEK
|
64 549
SEK
|
141 229
SEK
|
16 150
SEK
|
60 530
SEK
|
| Equity and liabilities | — | — | — |
126 373
SEK
|
137 501
SEK
|
— | — | — | — | — | — | — |