Segment reporting - Major customers (Details) - USD ($)	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Geographical information
Number of major customers	2
Customer A
Geographical information
Revenue percentage	56.00%	62.00%
Customer B
Geographical information
Revenue percentage	17.00%	16.00%

The percentage of the entity's revenue. [Refer: Revenue]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 8
-IssueDate 2022-03-24
-Paragraph 34
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_34&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration