XML 123 R60.htm IDEA: XBRL DOCUMENT v3.25.1
Property, plant and equipment - Schedule of Property, Plant and Equipment (Details) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period € 6,251 € 7,120
Decreases   10
Transfer 0 0
Currency translation 0 0
Property, plant and equipment at end of period 5,538 6,251
Gross book value of tangible assets | Fixtures, fittings and installations    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 3,321 3,318
Increases 48 2
Decreases 0 0
Transfer 22 0
Currency translation 0 0
Property, plant and equipment at end of period 3,390 3,321
Gross book value of tangible assets | Right of use – Buildings    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 8,798 8,462
Increases 228 337
Decreases 0 0
Transfer 0 0
Currency translation 0 0
Property, plant and equipment at end of period 9,026 8,798
Gross book value of tangible assets | Technical equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 2,327 2,128
Increases 166 113
Decreases 0 215
Transfer 0 300
Currency translation 0 0
Property, plant and equipment at end of period 2,492 2,327
Gross book value of tangible assets | Office and IT equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 1,043 1,012
Increases 227 41
Decreases 0 9
Transfer (15) 0
Currency translation 3 (1)
Property, plant and equipment at end of period 1,258 1,043
Gross book value of tangible assets | Transport equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 34 36
Increases 0 0
Decreases 35 0
Transfer 0 0
Currency translation 1 (1)
Property, plant and equipment at end of period 0 34
Gross book value of tangible assets | Right of use – Transport equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 0 0
Increases 0 0
Decreases 0 0
Transfer 0 0
Currency translation 0 0
Property, plant and equipment at end of period 0 0
Gross book value of tangible assets | Tangible assets in progress    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 44 344
Increases 94 0
Decreases 0 0
Transfer 3 (300)
Currency translation 0 0
Property, plant and equipment at end of period 141 44
Gross book value of tangible assets | Prepayments on tangible assets    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 144 0
Increases 141 144
Decreases 0 0
Transfer (35) 0
Currency translation 0 0
Property, plant and equipment at end of period 250 144
Gross book value of tangible assets    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 15,712 15,299
Increases 903 638
Decreases 35 223
Transfer (25) 0
Currency translation 3 (3)
Property, plant and equipment at end of period 16,559 15,712
Accumulated depreciation of tangible assets | Fixtures, fittings and installations    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (2,274) (1,959)
Increases (308) (315)
Decreases 0 0
Transfer 0 0
Currency translation 0 0
Property, plant and equipment at end of period (2,582) (2,274)
Accumulated depreciation of tangible assets | Right of use – Buildings    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (4,448) (3,496)
Increases (1,025) (960)
Decreases 0 (8)
Transfer 0 0
Currency translation 0 0
Property, plant and equipment at end of period (5,473) (4,448)
Accumulated depreciation of tangible assets | Technical equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (1,750) (1,774)
Increases (196) (187)
Decreases 0 (211)
Transfer 0 0
Currency translation 0 0
Property, plant and equipment at end of period (1,945) (1,750)
Accumulated depreciation of tangible assets | Office and IT equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (955) (915)
Increases (89) (55)
Decreases 0 (14)
Transfer 25 0
Currency translation (2) 1
Property, plant and equipment at end of period (1,021) (955)
Accumulated depreciation of tangible assets | Transport equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (35) (36)
Increases 0 0
Decreases (35) 0
Transfer 0 0
Currency translation (1) 1
Property, plant and equipment at end of period 0 (35)
Accumulated depreciation of tangible assets | Right of use – Transport equipment    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 0 0
Increases 0 0
Decreases 0 0
Transfer 0 0
Currency translation 0 0
Property, plant and equipment at end of period 0 0
Accumulated depreciation of tangible assets    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (9,461) (8,180)
Increases (1,617) (1,517)
Decreases (35) (233)
Transfer 25 0
Currency translation (3) 2
Property, plant and equipment at end of period (11,021) (9,461)
Netting    
Reconciliation of changes in property, plant and equipment [abstract]    
Increases (714) € (879)
Decreases € 0