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Revenue, net
 3 Months Ended
Mar. 31, 2021
Revenue, net [Abstract]  
Revenue, net
12.
Revenue, net:

Revenue, net is analyzed as follows:

  
Three months period ended
 
  
March, 31 2021
  
March, 31,2020
 
Sales of goods
 
$
1,489,292
  
$
100,266
 
Total revenue from contracts with customers
 
$
1,489,292
  
$
100,266
 

As at March 31, 2021 and December 31, 2020 contract assets were $ 745,513 and $85,930, respectively. Also, the Company has recognized contract liabilities of $44,185 and $167,761 has at March 31, 2021 and December 31, 2020, respectively.