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Payroll and social securities payable
12 Months Ended
Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract]  
Payroll and social security liabilities Payroll and social security liabilities
 20212020
Non-current  
Social security payable1,243 1,075 
 1,243 1,075 
Current  
Salaries payable2,617 2,774 
Social security payable3,499 2,827 
Provision for vacations8,136 6,866 
Provision for bonuses10,799 10,866 
 25,051 23,333 
Total payroll and social security liabilities26,294 24,408