Statement Of Changes In Equity [Abstract]

GENFIT - Filing #2813309

Concept	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	94 528 EUR	—	—	—	336 573 EUR	23 719 EUR	—	444 683 EUR	978,000 EUR	12 459 EUR	1 344 EUR	—	—	—	986,000 EUR	67 259 EUR	—	119 097 EUR	—	—	—	404 090 EUR	22,000 EUR	—	—	444 438 EUR	12 454 EUR	—	—	—	9 722 EUR	—	—	811,000 EUR	92,000 EUR	303 086 EUR	101 221 EUR	379 057 EUR	—	16 430 EUR	—	—	14,000 EUR	377 821 EUR	65 144 EUR	84 065 EUR	237 862 EUR	478,000 EUR	9 715 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	23 719 EUR	—	—	—	—	—	—	—	23 719 EUR	—	—	—	—	—	—	67 259 EUR	—	—	—	—	—	—	—	—	67 259 EUR	101 221 EUR	—	—	—	101 221 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	1 108 EUR	—	—	258,000 EUR	—	—	—	—	—	—	1 366 EUR	—	—	—	—	—	216,000 EUR	—	—	—	113,000 EUR	—	—	—	330,000 EUR	90,000 EUR	—	—	196,000 EUR	—	—	—	—	—	—	—	—	106,000 EUR	—	—	—	—	—	—	—	—
Comprehensive income	—	0 EUR	0 EUR	24 827 EUR	—	—	258,000 EUR	—	—	—	—	23 719 EUR	0 EUR	1 366 EUR	—	—	0 EUR	—	67 259 EUR	216,000 EUR	0 EUR	—	—	113,000 EUR	0 EUR	—	—	67 589 EUR	101 131 EUR	0 EUR	—	196,000 EUR	101 221 EUR	—	—	—	—	—	0 EUR	—	106,000 EUR	0 EUR	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	—	—	5,000 EUR	—	—	5,000 EUR	—	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	268,000 EUR	—	—	268,000 EUR	—	—	—	—	—	—	—	—	—	0 EUR	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	8,000 EUR	—	8,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	174,000 EUR	—	—	—	—	—	—	—	—	—	—	174,000 EUR	333,000 EUR	333,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	—	245,000 EUR	—	—	—	—	—	—	—	—	245,000 EUR	—	—	—	—	—	—	—	470,000 EUR	—	—	—	—	—	—	470,000 EUR	1 236 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1 236 EUR	—	—	—	—	—	—	—