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Contract assets (Tables)
12 Months Ended
Dec. 31, 2021
Text block [abstract]  
Summary of Contract Assets

31 December 

31 December 

Non-current contract assets:

    

2021

    

2020

Contract assets

67,505

 

128,114

31 December 

31 December 

Current contract assets:

    

2021

    

2020

Contract assets

1,180,236

972,052