Note 6 - Property, Plant and Equipment, Net - Schedule of Property, Plant, and Equipment (Details) - USD ($)	Sep. 30, 2017	Sep. 30, 2016
Property Plant and Equipment, Gross	$ 7,504,597	$ 5,075,191
Less accumulated depreciation	4,119,787	3,771,268
Property Plant & Equipment, Net	3,384,810	1,303,923
Land [Member]
Property Plant and Equipment, Gross	233,479	233,479
Building and Building Improvements [Member]
Property Plant and Equipment, Gross	2,195,915	1,448,978
Machinery and Equipment [Member]
Property Plant and Equipment, Gross	$ 5,075,204	$ 3,392,734

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, 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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