Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Sales and marketing expenses (Details)

v3.21.1
Sales and marketing expenses (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Sales and marketing expenses      
Consulting $ 402,146 $ 331,135 $ 410,338
Marketing 900,976 403,002 356,266
Salaries 1,231,609 580,552 303,512
Total sales and marketing expenses $ 2,534,731 $ 1,314,689 $ 1,070,116