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Note 4 - Property and Equipment, Net (Tables)
12 Months Ended
Aug. 31, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
    August 31, 2016   August 31, 2015
Land   $ 310,365     $ 310,365  
Buildings and improvements     6,528,252       6,180,089  
Machinery and equipment     3,590,063       4,090,619  
      10,428,680       10,581,073  
Less accumulated depreciation     (3,152,808 )     (3,287,910 )
    $ 7,275,872     $ 7,293,163