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Note 14 - Fair Value Measurements
 9 Months Ended
May 31, 2016
Notes to Financial Statements  
Fair Value, Measurement Inputs, Disclosure [Text Block]
14.
Fair Value Measurements
 
Assets and liabilities that are measured at fair value on a recurring basis primarily relate to marketable equity securities. These items are marked-to-market at each reporting period.
 
The following tables provide information by level for assets and liabilities that are measured at fair value on a recurring basis:
 
        Fair Value Measurements
Using Inputs Considered as
    Fair Value as of
May 31, 2016		   Level 1   Level 2   Level 3
Available for sale securities   $ 2,239,792     $ 2,239,792     $ —     $ —  
 
        Fair Value Measurements
Using Inputs Considered as
    Fair Value as of
August 31, 2015		   Level 1   Level 2   Level 3
Available for sale securities   $ 2,027,441     $ 2,027,441     $ —     $ —  
 
 
There were no transfers between Level 1, Level 2, or Level 3 during the three and nine months ended May 31, 2016 and 2015.