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Net financial result (Details 2) - EUR (€)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Other financial result        
Statement [Line Items]        
Foreign exchange income and expense € (86,000) € (5,000) € 39,000 € 43,000