List of subsidiaries (Details)	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Topland Management Ltd
Disclosure of subsidiaries [line items]
Ownership Interest		100.00%	100.00%
Flow Research S.L.
Disclosure of subsidiaries [line items]
Ownership Interest	100.00%	100.00%	100.00%

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 27
-IssueDate 2020-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration