Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

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Intangible Assets (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
Patents [Member]
Dec. 31, 2011
Patents [Member]
Cost $ 1,631,432 $ 1,666,346 $ 1,631,432 $ 1,666,346
Accumulated Amortization 258,075 236,108 258,075 236,108
Net Carrying Value $ 1,373,358 $ 1,430,238 $ 1,373,358 $ 1,430,238