Other operating expenses (Details) - SEK (kr) kr in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||
| Total other operating expenses | kr 30,590 | kr 10,925 |
| Total other operating expenses | (30,590) | (10,925) |
| Other Expenses [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total other operating expenses | (26,222) | (18,063) |
| Total other operating expenses | 26,222 | 18,063 |
| Exchange Rate Losses [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total other operating expenses | (4,368) | (3,180) |
| Total other operating expenses | 4,368 | 3,180 |
| Write Off Of Prepaid Expenses [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total other operating expenses | 10,318 | |
| Total other operating expenses | kr (10,318) | |