v3.26.1
Schedule of fair value of financial assets and financial liabilities (Details) - SEK (kr)
kr in Thousands
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]      
 Financial liabilities kr 2,306,914 kr 132,984 kr 1,432
Embedded derivatives [member]      
IfrsStatementLineItems [Line Items]      
 Financial liabilities   4,603
Warrants [member]      
IfrsStatementLineItems [Line Items]      
 Financial liabilities   kr 128,381 kr 1,432