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Related party transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Related party transactions
Salaries and employee benefits	$ 1,989	$ 1,418
Directors' fees	233	99
Share-based compensation	3,182	1,594
Remuneration of directors and the senior management team	$ 5,404	$ 3,111

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- References

No definition available.

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- Definition

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

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-Number 24
-IssueDate 2021-01-01
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- Definition

The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
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- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
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- Definition

The amount of compensation to key management personnel in the form of directors' fees.

+ References

No definition available.

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