v3.26.1
Disclosure on Individual Items of the Consolidated Financial Statements - Schedule of the Reporting Date Warrant Liabilities (Details) - Warrant Liabilities [Member] - EUR (€)
€ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Schedule of the Reporting Date Warrant Liabilities [Line Items]    
No. of warrants issued 19,435,645 22,142,284
Warrant liabilities € 76,977 € 119,580
Public warrants [Member]    
Schedule of the Reporting Date Warrant Liabilities [Line Items]    
No. of warrants issued 7,826,371 11,542,415
Warrant liabilities € 13,155 € 39,997
Private warrants [Member]    
Schedule of the Reporting Date Warrant Liabilities [Line Items]    
No. of warrants issued 119,866 119,866
Warrant liabilities € 473 € 734
Warrants relating to shareholder loans [Member]    
Schedule of the Reporting Date Warrant Liabilities [Line Items]    
No. of warrants issued 10,373,336 10,480,003
Warrant liabilities € 56,733 € 78,849
Warrants relating to capital increases [Member]    
Schedule of the Reporting Date Warrant Liabilities [Line Items]    
No. of warrants issued 1,116,072
Warrant liabilities € 6,616