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Warrants and Share-based Payment (Tables)
6 Months Ended
Jun. 30, 2021
Warrants [member]  
Statement [LineItems]  
Summary of Warrant Activity
The following table specifies the warrant activity during the six months ended June 30, 2021:
 
 
  
Total

Warrants
 
 
Weighted Average
Exercise Price
EUR
 
     
                                
     
                                
 
Outstanding at January 1, 2021
  
 
6,148,004
 
  
 
69.97
 
    
 
 
    
 
 
 
Granted during the period
     158,590        120.15  
Exercised during the period
     (150,604      33.51  
Forfeited during the period
     (90,167      121.80  
    
 
 
   
 
 
 
Outstanding at June 30, 2021
  
 
6,065,823
 
  
 
71.04
 
    
 
 
    
 
 
 
Vested at June 30, 2021
  
 
3,565,573
 
  
 
46.23