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Intangible Assets (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Summary of intangible assets    
Cost $ 2,355,419 $ 2,355,419
Accumulated Amortization 2,342,511 2,335,720
Net Book Value 12,908 19,699
Licenses [Member]    
Summary of intangible assets    
Cost 462,234 462,234
Accumulated Amortization 449,326 442,535
Net Book Value 12,908 19,699
Patents [Member]    
Summary of intangible assets    
Cost 1,893,185 1,893,185
Accumulated Amortization 1,893,185 1,893,185
Net Book Value