XML 99 R55.htm IDEA: XBRL DOCUMENT v3.22.1
Property, plant and equipment - Additional Information (Details)
€ in Thousands
 12 Months Ended
Dec. 31, 2021
EUR (€)
Dec. 31, 2020
EUR (€)
lease_contract
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets € 56 € (1,101)
Disposals, property, plant and equipment € 129 € 14
Number of new lease contracts | lease_contract   2
Lease contract, Villejuif    
Disclosure of detailed information about property, plant and equipment [line items]    
Lease contract, extended period 4 years  
Addition to annual rent expense   € 15
Lease contract, Wattignies    
Disclosure of detailed information about property, plant and equipment [line items]    
Addition to annual rent expense   35
Gross book value of tangible assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets € 1,590 515
Disposals, property, plant and equipment 212 57
Fixtures, fittings and installations | Gross book value of tangible assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets 5 16
Disposals, property, plant and equipment € 0 0
Fixtures, fittings and installations | Bottom of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 5 years  
Fixtures, fittings and installations | Top of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 10 years  
Right of use – Buildings | Gross book value of tangible assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets € 1,362 418
Disposals, property, plant and equipment 139 14
Right of use – Buildings | Gross book value of tangible assets | Lease contract, Villejuif    
Disclosure of detailed information about property, plant and equipment [line items]    
Additions to right-of-use assets 1,390  
Addition to annual rent expense € (25)  
Right of use – Buildings | Gross book value of tangible assets | Lease contract, Oberkampf street    
Disclosure of detailed information about property, plant and equipment [line items]    
Additions to right-of-use assets   155
Right of use – Buildings | Gross book value of tangible assets | Lease contract, Faubourg Saint-Antoine    
Disclosure of detailed information about property, plant and equipment [line items]    
Additions to right-of-use assets   140
Right of use – Buildings | Gross book value of tangible assets | Lease contract, Alfortville    
Disclosure of detailed information about property, plant and equipment [line items]    
Disposals, property, plant and equipment   43
Right of use – Buildings | Gross book value of tangible assets | Lease contract, parking Villejuif    
Disclosure of detailed information about property, plant and equipment [line items]    
Additions to right-of-use assets   30
Right of use – Buildings | Bottom of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 5 years  
Right of use – Buildings | Top of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 10 years  
Technical equipment | Gross book value of tangible assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets € 73 42
Disposals, property, plant and equipment € 0 0
Technical equipment | Bottom of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 3 years  
Technical equipment | Top of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 10 years  
Office and IT equipment | Gross book value of tangible assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets € 53 37
Disposals, property, plant and equipment € 35 1
Office and IT equipment | Bottom of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 1 year  
Office and IT equipment | Top of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 10 years  
Transport equipment | Gross book value of tangible assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets € 0 0
Disposals, property, plant and equipment € 0 0
Transport equipment | Bottom of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 1 year  
Transport equipment | Top of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 10 years  
Right of use – Transport equipment | Gross book value of tangible assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Increase in right-of-use assets € 0 0
Disposals, property, plant and equipment € 38 € 41
Right of use – Transport equipment | Bottom of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 1 year  
Right of use – Transport equipment | Top of range    
Disclosure of detailed information about property, plant and equipment [line items]    
Depreciation periods of property, plant and equipment 10 years