Shareholders' (Deficit) Equity - Authorized share capital (Details) - shares	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Authorized share capital
Common shares, Shares issued (in shares)	53,494,261	53,353,984
Common shares, Shares outstanding (in shares)	53,494,261	53,353,984
Employee Stock Purchase Plan
Authorized share capital
Number of common shares available for issuance	2,332,305
Additional shares reserved for issuance	1,926,280

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.

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+ Details

Milestone Pharmaceuticals Inc. 10-Q