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Note 18 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value Recurring Basis (USD $)
Aug. 31, 2014
Aug. 31, 2013
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Available for sale securities $ 5,519,766  
Cash equivalents 500,234 1,020,000
Total 6,020,000  
Fair Value, Inputs, Level 1 [Member]
   
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Available for sale securities 5,519,766  
Cash equivalents 500,234 1,020,000
Total $ 6,020,000