v3.26.1
Fair values (Tables)
 6 Months Ended
Jun. 30, 2026
Disclosure of fair value measurement of assets [abstract]  
Fair values measurement

    Carrying amount   Fair value
        Level 1   Level 2   Level 3   Total
June 30, 2026                    
    Financial liabilities                
Financial liabilities not measured at fair value                    
Long-term borrowings   55,262   —   56,239   —   56,239
Financial liabilities   51,005   —   51,828   —   51,828
    106,267              

 

    Carrying amount   Fair value
        Level 1   Level 2   Level 3   Total
December 31, 2025                    
    Financial assets                
Financial assets measured at fair value                    
Current portion of fair value of derivative financial instruments   113   —   113   —   113
    113                
                     
    Financial liabilities                
Financial liabilities not measured at fair value                    
Long-term borrowings   58,345   —   59,453   —   59,453
Financial liabilities   51,954   —   52,511   —   52,511
    110,299                
Valuation techniques and significant unobservable inputs

Financial instruments measured at fair value        
         
Type   Valuation Techniques   Significant unobservable inputs
Derivative financial instruments:        
Interest Rate Swap    Discounted cash flow     Discount rate
         
         
         
Financial instruments not measured at fair value        
Asset and liabilities not measured at fair value        
Type   Valuation Techniques   Significant unobservable inputs
Long-term borrowings and financial liabilities   Discounted cash flow   Discount rate