Income tax (Details Narrative) - SEK (kr) kr in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Notes and other explanatory information [abstract] | ||
| Current tax rate | 20.60% | 20.60% |
| Effective income tax rate | 0.10% | (0.60%) |
| Cumulative tax losses | kr 4,846 | kr 3,714 |
| Tax losses carried forward | 234,000 | 164,000 |
| Tax assets | kr 162,000 | kr 0 |