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4. INTANGIBLE ASSETS (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Cost $ 3,924,774 $ 2,074,774
Accumulated amortization (827,108) (603,580)
Net 3,097,666 1,471,194
Product Licenses    
Cost 3,350,000 1,500,000
Accumulated amortization (264,909) (48,876)
Net 3,085,091 1,451,124
Patents    
Cost 510,310 510,310
Accumulated amortization (510,310) (510,310)
Net 0 0
Software and Other    
Cost 64,464 64,464
Accumulated amortization (51,889) (44,394)
Net $ 12,575 $ 20,070