v3.26.1
Note 2 - Significant Accounting Policies - Schedule of Earnings Per Share (Details) - EUR (€)
€ / shares in Units, € in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income for the period € 4,015 € 65,026
Basic (in shares) 1,456,914 1,449,485
Diluted (in shares) 8,034,644 17,254,895
Basic (in EUR per Share) € 2.76 € 44.86
Diluted (in EUR per Share) € 0.5 € 3.77
Share-Based Payment Arrangement, Option [Member]    
Add: dilutive effect € 266 € 33,689
Convertible Debt [Member]    
Add: dilutive effect   € 15,771,721
Preferred Stock [Member]    
Add: dilutive effect € 6,577,464