Intangible Assets (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Summary of intangible assets
Cost	$ 2,355,419	$ 2,355,419
Accumulated Amortization	2,259,638	2,228,791
Net Book Value	95,781	126,628
Licenses [Member]
Summary of intangible assets
Cost	462,234	462,234
Accumulated Amortization	374,552	361,044
Net Book Value	87,682	101,190
Patents [Member]
Summary of intangible assets
Cost	1,893,185	1,893,185
Accumulated Amortization	1,885,086	1,867,747
Net Book Value	$ 8,099	$ 25,438