Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Significant accounting policies (Details)

v3.22.1
Significant accounting policies (Details)
 12 Months Ended
Dec. 31, 2021
Significant accounting policies (Details) [Line Items]  
Intangible asset with a definite useful life 10 years
Number of days per year worked to determine the defined benefit obligations cover seniority premiums which consist of a lump sum 12 days
Bottom of range [member]  
Significant accounting policies (Details) [Line Items]  
Expenditures are amortized on a straight-line basis over their estimated useful lives 10 years
Customers shipment date with payment terms 15 days
Top of range [member]  
Significant accounting policies (Details) [Line Items]  
Expenditures are amortized on a straight-line basis over their estimated useful lives 30 years
Customers shipment date with payment terms 30 days