{"cik":1408443,"taxonomy":"us-gaap","tag":"ShareBasedCompensation","label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","entityName":"Milestone Pharmaceuticals Inc.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":125000,"accn":"0001104659-19-036365","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-06-19","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":204000,"accn":"0001104659-19-045420","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-13"},{"start":"2018-01-01","end":"2018-09-30","val":289000,"accn":"0001558370-19-010889","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-13"},{"start":"2018-01-01","end":"2018-12-31","val":633000,"accn":"0001558370-20-002106","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-06"},{"start":"2018-01-01","end":"2018-12-31","val":633000,"accn":"0001104659-20-117701","fy":2019,"fp":"FY","form":"10-K/A","filed":"2020-10-23","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":211000,"accn":"0001104659-19-036365","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-06-19"},{"start":"2019-01-01","end":"2019-03-31","val":211000,"accn":"0001558370-20-006548","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":487000,"accn":"0001104659-19-045420","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-13"},{"start":"2019-01-01","end":"2019-06-30","val":487000,"accn":"0001558370-20-010374","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-12"},{"start":"2019-01-01","end":"2019-09-30","val":837000,"accn":"0001558370-19-010889","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-13"},{"start":"2019-01-01","end":"2019-09-30","val":837000,"accn":"0001558370-20-013774","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-13"},{"start":"2019-01-01","end":"2019-12-31","val":1191000,"accn":"0001558370-20-002106","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-06"},{"start":"2019-01-01","end":"2019-12-31","val":1191000,"accn":"0001104659-20-117701","fy":2019,"fp":"FY","form":"10-K/A","filed":"2020-10-23"},{"start":"2019-01-01","end":"2019-12-31","val":1191000,"accn":"0001558370-21-003631","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-29","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":981000,"accn":"0001558370-20-006548","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14"},{"start":"2020-01-01","end":"2020-03-31","val":981000,"accn":"0001558370-21-007321","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2172000,"accn":"0001558370-20-010374","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-12"},{"start":"2020-01-01","end":"2020-06-30","val":2172000,"accn":"0001558370-21-011282","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-11"},{"start":"2020-01-01","end":"2020-09-30","val":3515000,"accn":"0001558370-20-013774","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-13"},{"start":"2020-01-01","end":"2020-09-30","val":3515000,"accn":"0001558370-21-015629","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":4945000,"accn":"0001558370-21-003631","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-29"},{"start":"2020-01-01","end":"2020-12-31","val":4945000,"accn":"0001558370-22-004205","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-24","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1368000,"accn":"0001558370-21-007321","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17"},{"start":"2021-01-01","end":"2021-03-31","val":1368000,"accn":"0001558370-22-008418","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":3280000,"accn":"0001558370-21-011282","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-11"},{"start":"2021-01-01","end":"2021-06-30","val":3280000,"accn":"0001558370-22-013074","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-10"},{"start":"2021-01-01","end":"2021-09-30","val":5304000,"accn":"0001558370-21-015629","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-12"},{"start":"2021-01-01","end":"2021-09-30","val":5304000,"accn":"0001558370-22-017283","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10"},{"start":"2021-01-01","end":"2021-12-31","val":7279000,"accn":"0001558370-22-004205","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-24"},{"start":"2021-01-01","end":"2021-12-31","val":7279000,"accn":"0001558370-23-004871","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-29","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":2114000,"accn":"0001558370-22-008418","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":2114000,"accn":"0001558370-23-009254","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":4525000,"accn":"0001558370-22-013074","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-10"},{"start":"2022-01-01","end":"2022-06-30","val":4525000,"accn":"0001558370-23-014399","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10"},{"start":"2022-01-01","end":"2022-09-30","val":6905000,"accn":"0001558370-22-017283","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10"},{"start":"2022-01-01","end":"2022-09-30","val":6905000,"accn":"0001558370-23-018665","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-13"},{"start":"2022-01-01","end":"2022-12-31","val":9048000,"accn":"0001558370-23-004871","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-29"},{"start":"2022-01-01","end":"2022-12-31","val":9048000,"accn":"0001558370-24-003666","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-21","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":2293000,"accn":"0001558370-23-009254","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11"},{"start":"2023-01-01","end":"2023-03-31","val":2293000,"accn":"0001558370-24-007860","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-13","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":4785000,"accn":"0001558370-23-014399","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10"},{"start":"2023-01-01","end":"2023-06-30","val":4785000,"accn":"0001558370-24-011603","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2023-01-01","end":"2023-09-30","val":7657000,"accn":"0001558370-23-018665","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-13"},{"start":"2023-01-01","end":"2023-09-30","val":7657000,"accn":"0001558370-24-015147","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-12"},{"start":"2023-01-01","end":"2023-12-31","val":9534000,"accn":"0001558370-24-003666","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-21"},{"start":"2023-01-01","end":"2023-12-31","val":9534000,"accn":"0001558370-25-002849","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-13","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":1512000,"accn":"0001558370-24-007860","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-13"},{"start":"2024-01-01","end":"2024-03-31","val":1512000,"accn":"0001558370-25-007648","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-14","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":2903000,"accn":"0001558370-24-011603","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2024-01-01","end":"2024-06-30","val":2903000,"accn":"0001558370-25-011141","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-12"},{"start":"2024-01-01","end":"2024-09-30","val":4302000,"accn":"0001558370-24-015147","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-12"},{"start":"2024-01-01","end":"2024-09-30","val":4302000,"accn":"0001104659-25-109689","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-12"},{"start":"2024-01-01","end":"2024-12-31","val":5776000,"accn":"0001558370-25-002849","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-13"},{"start":"2024-01-01","end":"2024-12-31","val":5776000,"accn":"0001104659-26-032415","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-20","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1351000,"accn":"0001558370-25-007648","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-14"},{"start":"2025-01-01","end":"2025-03-31","val":1351000,"accn":"0001104659-26-059752","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-13","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":2659000,"accn":"0001558370-25-011141","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-12"},{"start":"2025-01-01","end":"2025-09-30","val":3909000,"accn":"0001104659-25-109689","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-12"},{"start":"2025-01-01","end":"2025-12-31","val":7461000,"accn":"0001104659-26-032415","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-20","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":1282000,"accn":"0001104659-26-059752","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-13","frame":"CY2026Q1"}]}}