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13. Contingent Liabilities and Commitments: Legal Matters and Contingencies (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
May. 31, 2015
May. 31, 2014
May. 31, 2015
May. 31, 2014
Aug. 31, 2014
Details          
Estimated Litigation Liability, Noncurrent $ 117,387   $ 117,387   $ 144,103
Interest income on litigation (6,734) $ (6,734) (19,983) $ (19,982) (26,716)
Litigation reserve [1] $ 97,404   $ 97,404   $ 117,387
[1] Note 13a