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Material Accounting Policies (Details) - EUR (€)
1 Months Ended 12 Months Ended
Oct. 30, 2021
Dec. 31, 2023
Dec. 31, 2022
Material Accounting Policies (Details) [Line Items]      
German federal government € 43,700,000    
Grant payment received € 41,400,000    
Percentage of grant 80.00%    
Received grant amount   € 6,209,266
Amortized period   3 years  
Annualized average share price year   5 years  
Accrued payment   € 4,400,000 2,300,000
Other assets   3,700,000 9,800,000
Inventory write-downs   € 521,000 € 0
Bottom of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Rental contracts fixed period   1 year  
Top of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Rental contracts fixed period   3 years  
German Ministry of Education and Research [Member]      
Material Accounting Policies (Details) [Line Items]      
Received grant amount   € 33,300,000  
Options Granted [Member] | Bottom of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Volatility rates   135.00%  
Options Granted [Member] | Top of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Volatility rates   145.66%  
Laboratory Equipment [Member] | Bottom of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Estimated useful lives   3 years  
Laboratory Equipment [Member] | Top of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Estimated useful lives   13 years  
Office Equipment [Member] | Bottom of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Estimated useful lives   1 year  
Office Equipment [Member] | Top of Range [Member]      
Material Accounting Policies (Details) [Line Items]      
Estimated useful lives   5 years