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Fair values (Tables)
6 Months Ended
Jun. 30, 2023
Disclosure of fair value measurement of assets [abstract]  
Fair values measurement

 

    Carrying amount   Fair value
        Level 1   Level 2   Level 3   Total
June 30, 2023                    
    Financial assets                
Financial assets measured at fair value                    
Non-current portion of fair value of  derivative financial instruments   1,014   1,014     1,014

Current portion of fair value of derivative financial instruments

  1,028     1,028     1,028
    2,042                
                     
    Financial liabilities                
Financial liabilities not measured at fair value                    
Long-term borrowings   37,451     38,535     38,535
    37,451                
                           

 

 

    Carrying amount   Fair value
        Level 1   Level 2   Level 3   Total
December 31, 2022                    
    Financial assets                
Financial assets measured at fair value                    
Non-current portion of fair value of derivative financial instruments   1,315   1,315     1,315

Current portion of fair value of derivative financial instruments

  1,092     1,092     1,092
    2,407                
                     
    Financial liabilities                
Financial liabilities not measured at fair value                    
Long-term borrowings   44,375     45,549     45,549
    44,375                
                           
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   Discounted cash flow   Discount rate