Intangible Assets (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Summary of intangible assets
Cost	$ 2,355,419	$ 2,355,419
Accumulated Amortization	2,322,138	2,308,556
Net Book Value	33,281	46,863
Licenses [Member]
Summary of intangible assets
Cost	462,234	462,234
Accumulated Amortization	428,953	415,371
Net Book Value	33,281	46,863
Patents [Member]
Summary of intangible assets
Cost	1,893,185	1,893,185
Accumulated Amortization	1,893,185	1,893,185
Net Book Value