Note 3 - Property and Equipment - Property and Equipment (Details) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Machinery and equipment	$ 2,222,670	$ 2,222,670
Buildings and structures	401,470	401,470
Computers and office equipment	171,720	171,613
Total	2,795,860	2,795,753
Less accumulated depreciation	(2,794,149)	(2,794,305)
Net	$ 1,711	$ 1,448

This item represents the gross amount computers and office equipment held by the Company.

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- Definition

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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- Definition

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