v3.26.1
Selling expenses (Details) - SEK (kr)
kr in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Total selling expenses kr (79,404) kr (182,597)
Staff Costs [Member]    
IfrsStatementLineItems [Line Items]    
Total selling expenses (67,786) (145,407)
Advertising Costs [Member]    
IfrsStatementLineItems [Line Items]    
Total selling expenses (556) (8,678)
Professional Services [Member]    
IfrsStatementLineItems [Line Items]    
Total selling expenses (8,324) (7,820)
Depreciation And Amortization [Member]    
IfrsStatementLineItems [Line Items]    
Total selling expenses (1,814)
I T And Software Expenses [Member]    
IfrsStatementLineItems [Line Items]    
Total selling expenses (171) (3,495)
Other Costs [Member]    
IfrsStatementLineItems [Line Items]    
Total selling expenses kr (753) kr (17,197)