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Note 14 - Fair Value Measurements
 6 Months Ended
Feb. 28, 2017
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
February 28, 2017		   Level 1   Level 2   Level 3
Available for sale securities   $
748,254
     $
748,254
     $
—
     $
—
  
 
 
        Fair Value Measurements
Using Inputs Considered as
    Fair Value as of
August 31, 2016		   Level 1   Level 2   Level 3
Available for sale securities   $
2,243,864
     $
2,243,864
     $
—
     $
—
  
 
There were no transfers between Level
1,
Level
2,
or Level
3
during the
three
and
six
months ended
February
28,
2017
and
February
29,
2016.