Statement Of Changes In Equity [Abstract]

GenSight Biologics S.A. - Filing #832858

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through transfer to statutory reserve, equity	— EUR	0 EUR	— EUR	— EUR	— EUR	— EUR	— EUR	— EUR	0 EUR	— EUR
Increase (decrease) through appropriation of retained earnings, equity	— EUR	0 EUR	27,625,000 EUR	— EUR	27,625,000 EUR	28,617,000 EUR	28,617,000 EUR	— EUR	0 EUR	— EUR
Increase (decrease) through conversion of convertible instruments, equity	— EUR	60,000 EUR	— EUR	60,000 EUR	— EUR	— EUR	— EUR	— EUR	38,000 EUR	38,000 EUR
Purchase of treasury shares	— EUR	99,000 EUR	— EUR	— EUR	99,000 EUR	193,000 EUR	— EUR	— EUR	193,000 EUR	— EUR
Share issue related cost	— EUR	703,000 EUR	— EUR	703,000 EUR	— EUR	— EUR	— EUR	— EUR	0 EUR	0 EUR