Intangible Assets (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Summary of intangible assets
Cost	$ 2,355,419	$ 2,355,419
Accumulated Amortization	2,182,105	2,166,687
Net Book Value	$ 173,314	$ 188,732
Licenses [Member]
Summary of intangible assets
Weighted Average Remaining Amortization Period (years)	3 years 6 months	3 years 9 months 18 days
Cost	$ 462,234	$ 462,234
Accumulated Amortization	340,524	333,732
Net Book Value	$ 121,710	$ 128,502
Patents [Member]
Summary of intangible assets
Weighted Average Remaining Amortization Period (years)	9 months 18 days	1 year 1 month 6 days
Cost	$ 1,893,185	$ 1,893,185
Accumulated Amortization	1,841,581	1,832,955
Net Book Value	$ 51,604	$ 60,230