Intangible Assets (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Summary of intangible assets
Cost	$ 2,355,419	$ 2,355,419
Accumulated Amortization	2,294,974	2,281,467
Net Book Value	60,445	73,952
Licenses [Member]
Summary of intangible assets
Cost	462,234	462,234
Accumulated Amortization	401,789	388,282
Net Book Value	60,445	73,952
Patents [Member]
Summary of intangible assets
Cost	1,893,185	1,893,185
Accumulated Amortization	1,893,185	1,893,185
Net Book Value