v3.25.1
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - € / shares
Mar. 31, 2025
Dec. 31, 2024
Dec. 22, 2024
Ordinary Shares [Member]      
Common stock, par value (in EUR per Share) € 0.02 € 0.02 € 0.06
Common stock, shares authorized (in shares) 4,300,000 4,300,000  
Common stock, shares issued (in shares) 1,409,921 1,409,885  
Common stock, shares outstanding (in shares) 1,409,921 1,409,885  
High Voting Shares [Member]      
Common stock, par value (in EUR per Share) € 0.5 € 0.5 € 1.5
Common stock, shares authorized (in shares) 53,400 53,400  
Common stock, shares issued (in shares) 40,000 40,000  
Common stock, shares outstanding (in shares) 40,000 40,000