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Note 7 - Interim condensed balance sheet disclosures - Advance Payments received from customers (Details) - EUR (€)
€ in Thousands
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Statement Line Items [Line Items]    
Advance payments received from customers € 46,827 € 40,693
Balance as of Jan 1 44,756 38,972
Additions 2,388 1,403
Repayment (1,098) (488)
Net interest 781 806
Balance as of Mar 31 € 46,827 € 40,693