v3.25.3
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - € / shares
Sep. 30, 2025
Dec. 31, 2024
Dec. 23, 2024
Dec. 22, 2024
Preferred Stock, Par or Stated Value Per Share (in EUR per Share) € 300 € 300    
Preferred Stock, Shares Authorized (in shares) 1,401 1,401    
Preferred Stock, Shares Issued (in shares) 1,401 0    
Preferred Stock, Shares Outstanding (in shares) 1,401 0    
Ordinary Shares [Member]        
Common stock, par value (in EUR per Share) € 0.01 € 0.01 € 0.02 € 0.06
Common stock, shares authorized (in shares) 120,000,000 120,000,000    
Common stock, shares issued (in shares) 1,424,186 1,409,885    
Common stock, shares outstanding (in shares) 1,424,186 1,409,885    
High Voting Shares [Member]        
Common stock, par value (in EUR per Share) € 0.25 € 0.25 € 0.5 € 1.5
Common stock, shares authorized (in shares) 40,000 40,000    
Common stock, shares issued (in shares) 40,000 40,000    
Common stock, shares outstanding (in shares) 40,000 40,000