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Loss per share - Anti-dilutive (Details) - shares	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Loss per share
Number of dilutive securities exercisable	1,187,803	1,319,783
Share options
Loss per share
Anti-dilutive securities excluded from computation of diluted earnings per share amount	2,147,568	1,481,408
RSUs
Loss per share
Anti-dilutive securities excluded from computation of diluted earnings per share amount	1,075,454	458,895
DSUs
Loss per share
Anti-dilutive securities excluded from computation of diluted earnings per share amount	152,155	75,000

X

- Definition

Number of potential dilutive securities such as stock options, restrictive stock units (RSUs), warrants assumed to be exercised during the period.

+ References

No definition available.

+ Details

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
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-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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