Share capital - Schedule of Pre-Funded Warrants (Parenthetical) (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share Capital [Line Items]
Common stock issued for pre-funded warrants		1,700,000
Exercise of pre-funded warrants	0	(1,700,013)	0