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Schedule of estimated useful lives (Details)
 12 Months Ended
Dec. 31, 2021
Customer Relationships Medicine [Member]  
IfrsStatementLineItems [Line Items]  
Estimated useful lives of intangible assets 6 years
Customer Relationships Other Courses [Member]  
IfrsStatementLineItems [Line Items]  
Estimated useful lives of intangible assets 4 years 6 months
Computer software [member]  
IfrsStatementLineItems [Line Items]  
Estimated useful lives of intangible assets 5 years
Education Content [Member]  
IfrsStatementLineItems [Line Items]  
Estimated useful lives of intangible assets 3 years
Brand names [member] | Bottom of range [member]  
IfrsStatementLineItems [Line Items]  
Estimated useful lives of intangible assets 2 years
Brand names [member] | Top of range [member]  
IfrsStatementLineItems [Line Items]  
Estimated useful lives of intangible assets 30 years
Technology-based intangible assets [member]  
IfrsStatementLineItems [Line Items]  
Estimated useful lives of intangible assets 5 years