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Trade and other payables
3 Months Ended
Mar. 31, 2021
Trade and other payables [Abstract]  
Trade and other payables
8.
Trade and other payables:

  
December 31,
 
  
March 31, 2021
  
December 31, 2020
 
Trade payables and other payables
 
$
1,462,789
  
$
881,394
 
Total
 
$
1,462,789
  
$
881,394
 

Trade payables include balances of suppliers and consulting service providers.