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Bank Loans (Details) - EUR (€)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Bank Loans (Details) [Line Items]      
Bank loan interest expense € 406,031 € 308,982 € 138,212
Unsecured bank loans € 36,000,000    
Interest payable average rate 2.11%    
Interest expense from line of credit € 133,977 192,391 74,404
Bank Loan [Member]      
Bank Loans (Details) [Line Items]      
Bank loan interest expense € 12,618 € 9,977 € 15,702