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Other income (Details Narrative) - EUR (€)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Other income (Details Narrative)    
Other income increased   € 14,400,000
Recognition   7,100,000
Reimbursable costs € 7,300,000.0 € 7,300,000