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3. INTANGIBLE ASSETS (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Cost $ 4,674,774 $ 3,924,774
Accumulated amortization (900,211) (827,108)
Net 3,774,563 3,097,666
Product License    
Cost 4,100,000 3,350,000
Accumulated amortization (336,138) (264,909)
Net 3,763,862 3,085,091
Patent    
Cost 510,310 510,310
Accumulated amortization (510,310) (540,310)
Net 0 0
Software and Other    
Cost 64,464 64,464
Accumulated amortization (53,763) (51,889)
Net $ 10,701 $ 12,575