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Note 4 - Property and Equipment, Net - Components of Property and Equipment, Net (Details) - USD ($)
Aug. 31, 2017
Aug. 31, 2016
Land $ 310,365 $ 310,365
Buildings and improvements 6,847,177 6,528,252
Machinery and equipment 4,171,387 3,590,063
Gross 11,328,929 10,428,680
Less accumulated depreciation (3,969,267) (3,152,808)
Net $ 7,359,662 $ 7,275,872