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Prepaid expenses and Other current assets
3 Months Ended
Mar. 31, 2021
Prepaid expenses and Other current assets [Abstract]  
Prepaid expenses and Other current assets
6.
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
 

Prepaid expenses as of March 31, 2021 mainly include prepayments to insurers for director’s and officer’s insurance services.

Other current assets as of March 31, 2021 include amounts provided as guarantees for leases (Note 15) and prepayments to suppliers.