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5. Intangible Assets: Schedule of Finite-Lived Intangible Assets (Details) (USD $)
May 31, 2013
Aug. 31, 2012
Details    
Finite-Lived Patents, Gross $ 850,000 $ 850,000
Other Indefinite-lived Intangible Assets 43,655 43,655
Other Finite-Lived Intangible Assets, Gross 893,655 893,655
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Excluding Capital Leased Assets (508,888) (449,452)
Intangible Assets, Current $ 384,767 $ 444,203