v3.26.1
Segment Reporting (Details)
€ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2025
EUR (€)
segment
Jun. 30, 2024
EUR (€)
Dec. 31, 2024
EUR (€)
Segment Reporting [Line Items]      
Revenues € 14,614 € 79,263  
Customers One [Member]      
Segment Reporting [Line Items]      
Revenues 6,615   € 11,185
Customer Two [Member]      
Segment Reporting [Line Items]      
Revenues € 1,312   € 54,641
Operating segment [Member]      
Segment Reporting [Line Items]      
Operating segments (in segment) | segment 2