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Intangible assets (Tables)
 12 Months Ended
Dec. 31, 2024
Intangible assets other than goodwill [abstract]  
Disclosure of reconciliation of intangible assets
(amounts in thousands of euros)
LICENCES
SOFTWARES
PATENTS
TOTAL
GROSS VALUES
AS OF
JANUARY 1, 2022
85
24
110
Acquisition
35
—
6,529
6,564
AS OF
DECEMBER 31, 2022
120
24
6,529
6,673
Acquisition
—
—
—
—
AS OF
DECEMBER 31, 2023
120
24
6,529
6,673
Acquisition
—
3
—
3
AS OF
DECEMBER 31, 2024
120
27
6,529
6,677
(amounts in thousands of euros)
LICENCES
SOFTWARES
PATENTS
TOTAL
AMORTIZATION
AS OF
JANUARY 1, 2022
—
(17)
—
(17)
Increase
—
(4)
—
(4)
Impairment
(45)
—
—
(45)
AS OF
DECEMBER 31, 2022
(45)
(21)
—
(66)
Increase
—
(3)
—
(2)
AS OF
DECEMBER 31, 2023
(45)
(24)
—
(69)
Increase
—
(1)
—
(1)
AS OF
DECEMBER 31, 2024
(45)
(25)
—
(70)
(amounts in thousands of euros)
LICENCES
SOFTWARES
PATENTS
TOTAL
NET BOOK VALUES
AS OF
JANUARY 1, 2022
85
8
—
93
AS OF
DECEMBER 31, 2022
75
3
6,529
6,607
AS OF
DECEMBER 31, 2023
75
—
6,529
6,604
AS OF
DECEMBER 31, 2024
75
3
6,529
6,606