Note 4 - Property and Equipment, Net - Components of Property and Equipment, Net (Details) - USD ($)	Aug. 31, 2018	Aug. 31, 2017
Land	$ 310,365	$ 310,365
Buildings and improvements	6,927,484	6,847,177
Machinery and equipment	4,680,072	4,171,387
Gross	11,917,921	11,328,929
Less accumulated depreciation	(4,749,095)	(3,969,267)
Net	$ 7,168,826	$ 7,359,662

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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