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Note 4 - Property and Equipment, Net - Components of Property and Equipment, Net (Details) - USD ($)
May 31, 2018
Aug. 31, 2017
Land $ 310,365 $ 310,365
Buildings and improvements 6,903,231 6,847,177
Machinery and equipment 4,554,692 4,171,387
Gross 11,768,288 11,328,929
Less accumulated depreciation (4,534,981) (3,969,267)
Net $ 7,233,307 $ 7,359,662