Financial instruments (Details 8) - SEK (kr) kr in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Gross [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Receivables not past due | kr 5,511 | kr 9,917 |
| 0-30 days | 616 | 6,457 |
| 31-90 days | 3,646 | 3,052 |
| 91-120 days | 365 | 5,517 |
| 120 days or more | 15,578 | |
| Trade receivable | 25,716 | 24,943 |
| Write Off [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Receivables not past due | ||
| 0-30 days | (644) | |
| 31-90 days | (3,151) | |
| 91-120 days | ||
| 120 days or more | (4,701) | |
| Trade receivable | kr (4,701) | kr (3,795) |