XML 99 R68.htm IDEA: XBRL DOCUMENT v3.26.1
Property, plant and equipment - Disclosure of reconciliation of property, plant and equipment (Details) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period € 2,666 € 878  
Property, plant and equipment including right-of-use assets at end of period 2,090 2,666 € 878
Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 2,666 878 1,592
Property, plant and equipment including right-of-use assets at end of period 2,090 2,666 878
ROU      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 1,950 501 1,270
Property, plant and equipment including right-of-use assets at end of period 1,563 1,950 501
BUILDINGS | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 2,205 509 1,359
Property, plant and equipment including right-of-use assets at end of period 1,706 2,205 509
EQUIPMENT | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 94 126 59
Property, plant and equipment including right-of-use assets at end of period 59 94 126
FURNITURE AND COMPUTER EQUIPMENT | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 366 242 175
Property, plant and equipment including right-of-use assets at end of period 325 366 242
GROSS VALUES | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 4,029 2,366 2,400
Acquisition 559 2,870 614
Disposal (252) (1,229) (649)
Effect of the change in foreign currency exchange rates (62) 22  
Property, plant and equipment including right-of-use assets at end of period 4,274 4,029 2,366
GROSS VALUES | ROU      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 2,526 1,262 1,561
Acquisition 424 2,217 350
Disposal (34) (975) (649)
Effect of the change in foreign currency exchange rates (50) 22  
Property, plant and equipment including right-of-use assets at end of period 2,865 2,526 1,262
GROSS VALUES | BUILDINGS | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 2,818 1,346 1,618
Acquisition 436 2,578 350
Disposal 0 (1,110) (622)
Effect of the change in foreign currency exchange rates (50) 4  
Property, plant and equipment including right-of-use assets at end of period 3,204 2,818 1,346
GROSS VALUES | EQUIPMENT | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 513 513 436
Acquisition 0 0 103
Disposal (49) 0 (27)
Effect of the change in foreign currency exchange rates 0 0  
Property, plant and equipment including right-of-use assets at end of period 463 513 513
GROSS VALUES | FURNITURE AND COMPUTER EQUIPMENT | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period 698 507 346
Acquisition 123 292 161
Disposal (203) (119) 0
Effect of the change in foreign currency exchange rates (12) 17  
Property, plant and equipment including right-of-use assets at end of period 607 698 507
DEPRECIATION | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period (1,363) (1,488) (808)
Increase (1,095) (1,089) (707)
Disposal 252 1,215 27
Effect of the change in foreign currency exchange rates 22    
Property, plant and equipment including right-of-use assets at end of period (2,184) (1,363) (1,488)
DEPRECIATION | ROU      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period (575) (761) (290)
Increase (797) (788) (498)
Disposal 53 975 27
Effect of the change in foreign currency exchange rates 17    
Property, plant and equipment including right-of-use assets at end of period (1,302) (575) (761)
DEPRECIATION | BUILDINGS | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period (613) (837) (259)
Increase (903) (886) (578)
Disposal 0 1,111 0
Effect of the change in foreign currency exchange rates 17    
Property, plant and equipment including right-of-use assets at end of period (1,498) (613) (837)
DEPRECIATION | EQUIPMENT | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period (419) (387) (378)
Increase (35) (32) (36)
Disposal 49 0 27
Effect of the change in foreign currency exchange rates 0    
Property, plant and equipment including right-of-use assets at end of period (404) (419) (387)
DEPRECIATION | FURNITURE AND COMPUTER EQUIPMENT | Property, plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment including right-of-use assets at beginning of period (332) (265) (171)
Increase (158) (171) (94)
Disposal 203 104 0
Effect of the change in foreign currency exchange rates 5    
Property, plant and equipment including right-of-use assets at end of period € (281) € (332) € (265)