v3.26.1
Financial liabilities - Disclosure of Maturity Analysis for Non-Derivative Financial Liabilities (Details)
€ in Thousands
Dec. 31, 2025
EUR (€)
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows € 23,260
2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 9,115
2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 8,904
2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,318
2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,427
2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,545
>2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 951
State guaranteed loan Société Générale  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 10,335
State guaranteed loan Société Générale | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 5,167
State guaranteed loan Société Générale | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 5,167
State guaranteed loan Société Générale | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loan Société Générale | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loan Société Générale | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loan Société Générale | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loan BNP Paribas  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 4,440
State guaranteed loan BNP Paribas | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 2,221
State guaranteed loan BNP Paribas | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 2,220
State guaranteed loan BNP Paribas | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loan BNP Paribas | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loan BNP Paribas | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loan BNP Paribas | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loans - accrued interest  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 8
State guaranteed loans - accrued interest | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 8
State guaranteed loans - accrued interest | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows
State guaranteed loans - accrued interest | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loans - accrued interest | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows
State guaranteed loans - accrued interest | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
State guaranteed loans - accrued interest | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows
Lease finance obligations – Rent Le Virage  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 138
Lease finance obligations – Rent Le Virage | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 138
Lease finance obligations – Rent Le Virage | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease finance obligations – Rent Le Virage | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease finance obligations – Rent Le Virage | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease finance obligations – Rent Le Virage | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease finance obligations – Rent Le Virage | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Premises Innate Inc.  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 55
Lease liabilities – Premises Innate Inc. | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 55
Lease liabilities – Premises Innate Inc. | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Premises Innate Inc. | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Premises Innate Inc. | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Premises Innate Inc. | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Premises Innate Inc. | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Vehicles  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 44
Lease liabilities – Vehicles | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 24
Lease liabilities – Vehicles | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 16
Lease liabilities – Vehicles | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 4
Lease liabilities – Vehicles | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Vehicles | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities – Vehicles | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - Printers  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - Printers | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - Printers | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - Printers | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - Printers | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - Printers | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - Printers | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - IT security  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 156
Lease liabilities - IT security | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 75
Lease liabilities - IT security | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 75
Lease liabilities - IT security | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 6
Lease liabilities - IT security | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - IT security | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Lease liabilities - IT security | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loans – Equipment  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loans – Equipment | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loans – Equipment | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loans – Equipment | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loans – Equipment | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loans – Equipment | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loans – Equipment | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 0
Loan – Building  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 8,083
Loan – Building | 2026  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,427
Loan – Building | 2027  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,427
Loan – Building | 2028  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,308
Loan – Building | 2029  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,427
Loan – Building | 2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows 1,545
Loan – Building | >2030  
Disclosure of financial liabilities [Line Items]  
Undiscounted cash flows € 951