Intangible Assets (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Summary of intangible assets
Weighted Average Amortization Period (years)	3 years 2 months 12 days	3 years 4 months 24 days
Cost	$ 2,355,419	$ 2,355,419
Accumulated Amortization	1,777,619	1,722,907
Net Book Value	577,800	632,512
Licenses [Member]
Summary of intangible assets
Weighted Average Amortization Period (years)	6 years 6 months	6 years 8 months 19 days
Cost	462,234	462,234
Accumulated Amortization	285,974	279,258
Net Book Value	176,260	182,976
Patents [Member]
Summary of intangible assets
Weighted Average Amortization Period (years)	2 years 4 months 24 days	2 years 7 months 6 days
Cost	1,893,185	1,893,185
Accumulated Amortization	1,491,645	1,443,649
Net Book Value	$ 401,540	$ 449,536