Note 6 - Property, Plant and Equipment, Net - Schedule of Property, Plant, and Equipment (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Property Plant and Equipment, Gross	$ 7,628,888	$ 7,566,302
Less: Accumulated Depreciation	4,382,659	4,242,913
Property Plant & Equipment, Net	3,246,229	3,323,389
Land [Member]
Property Plant and Equipment, Gross	235,179	235,179
Building and Building Improvements [Member]
Property Plant and Equipment, Gross	2,239,763	2,239,763
Machinery and Equipment [Member]
Property Plant and Equipment, Gross	$ 5,153,946	$ 5,091,360

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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