Note 4 - Property and Equipment, Net - Components of Property and Equipment, Net (Details) - USD ($)	Feb. 28, 2019	Aug. 31, 2018
Land	$ 310,365	$ 310,365
Buildings and improvements	7,334,574	6,927,484
Machinery and equipment	4,742,472	4,680,072
Gross	12,387,411	11,917,921
Less accumulated depreciation	(5,158,013)	(4,749,095)
Net	$ 7,229,398	$ 7,168,826

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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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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