Revenue and operating segments (Details 3) - SEK (kr) kr in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||
| Total | kr 163,596 | kr 155,109 |
| One Year [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 34,071 | 62,125 |
| Two Year [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 43,003 | 34,936 |
| Three Year [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 39,016 | 28,666 |
| Four Year [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 30,114 | 19,653 |
| Five Year [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | 17,177 | 9,051 |
| Six Year [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Total | kr 216 | kr 678 |