Schedule of finance costs (Details) - SEK (kr) kr in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| IfrsStatementLineItems [Line Items] | ||
| Total finance costs | kr (95,062) | kr (544,901) |
| Interest expense on loans and borrowings [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total finance costs | (1,222) | (5) |
| Interest expense on lease liabilitie [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total finance costs | (26,184) | (24,221) |
| Interest expense on convertible debenture [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total finance costs | (22,468) | (421,602) |
| Interest expense on liabilities associated with cash advances [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total finance costs | (34,950) | (35,743) |
| Exchange rate losses [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total finance costs | (3,778) | (61,425) |
| Other finance costs [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total finance costs | kr (6,460) | kr (1,905) |