Schedule of changes in deferred tax liabilities and deferred tax assets (Details) - SEK (kr) kr in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Notes and other explanatory information [abstract] | ||
| Deferred tax liabilities and deferred tax assets, beginning | kr (6,369) | kr (2,097) |
| Charge to profit or loss | 5,639 | (4,277) |
| Foreign exchange difference | 547 | 5 |
| Movement in the period booked to balance sheet | 445 | |
| Deferred tax liabilities and deferred tax assets, ending | kr 262 | kr (6,369) |