Property, Equipment and Leasehold Improvements (Details) - USD ($)	Aug. 31, 2018	Aug. 31, 2017
Machinery and equipment	$ 7,903,000	$ 7,154,000
Furniture and fixtures	1,013,000	898,000
Vehicles	155,000	155,000
Leasehold improvements	2,495,000	1,756,000
Land	1,717,000	1,717,000
Building	5,490,000	5,490,000
Property, Plant and Equipment, Gross, Total	18,773,000	17,170,000
Less: accumulated depreciation and amortization	(8,926,000)	(7,914,000)
Property, Plant and Equipment, Net, Total	$ 9,847,000	$ 9,256,000

Gross amount of vehicles, at the balance sheet date.

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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 depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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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 additions or improvements to assets held under a lease arrangement.

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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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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