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Note 20 - Assets and Liabilities Measured at Fair Value Recurring Basis (Details) - USD ($)
Aug. 31, 2015
Aug. 31, 2014
Fair Value, Inputs, Level 1 [Member]    
Available for sale securities $ 2,027,441 $ 5,519,766
Available for sale securities $ 2,027,441 $ 5,519,766