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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Total revenue $ 5,009,436 $ 3,524,331
Product Sales Revenue    
Total revenue 4,959,186 3,474,081
Royalty Revenue    
Total revenue $ 50,250 $ 50,250