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Disclosure on individual items of the consolidated financial statements (Details) - Schedule of inventories can be broken down - EUR (€)
€ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Disclosure on individual items of the consolidated financial statements (Details) - Schedule of inventories can be broken down [Line Items]    
Finished goods € 16,804 € 5,074
Trading goods 1,474 257
Work in progress 3,912 2,117
Raw materials 36,766 11,511
Total 58,956 18,959
Write-downs [Member]    
Disclosure on individual items of the consolidated financial statements (Details) - Schedule of inventories can be broken down [Line Items]    
Write-downs finished goods (206) (104)
Write-downs work in progress (502) (474)
Write-downs raw materials (5,111) (5,319)
Total € (5,819) € (5,896)