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Prepaid expenses and Other current assets (Tables)
3 Months Ended
Mar. 31, 2021
Prepaid expenses and Other current assets [Abstract]  
Prepaid expenses and Other current assets
Prepaid expenses and Other current assets are analyzed as follows:

  
March 31, 2021
  
December 31, 2020
 
VAT receivable
 
$
287,523
  
$
259,831
 
Grants receivable
  
91,182
   
95,064
 
Other current assets
  
891,168
   
140,126
 
Prepaid Expenses
  
2,851,681
   
1,724
 
Total
 
$
4,121,554
  
$
496,745