Subsequent events (Details) - USD ($)	1 Months Ended
Feb. 28, 2023	Feb. 15, 2022
Subsequent events
Dividend payables		$ 0.25
Grant date fair value	$ 4,600,000
Grant date fair value (in shares)	298,951
Shares vested (in shares)	74,744
Vesting rate	25.00%

The amount of dividends that the company has declared but not yet paid.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 55
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-URIDate 2021-03-24

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