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17. REVENUES (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenues $ 6,210,350 $ 5,111,545
Discounts and allowances (10,560) 0
Product Sales [Member]    
Revenues 6,132,447 5,091,571
Maintenance Fees [Member]    
Revenues 30,957 13,055
Professional Services [member]    
Revenues $ 57,506 $ 6,919