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2 Significant accounting policies (Details 1)	12 Months Ended
	Dec. 31, 2020
Building [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	25 years
Machinery and equipment [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	10 years
Vehicles [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	4 years
Furniture and fixtures [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	10 years
IT equipment [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	5 years
Library books [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	10 years
Laboratories and clinics [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	10 years
Leasehold improvements [member]
SignificantAccountingPoliciesLineItems [Line Items]
Useful lives of assets	20 years

X

- Definition

Represents significant accounting policies.

+ References

No definition available.

+ Details

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X

- Definition

The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2020-01-01
-Paragraph 73
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_c&doctype=Standard
-URIDate 2020-01-01

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- Details

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- Details

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- Details

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