Note 6 - Property and Equipment - Property, Plant, and Equipment Useful Life (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Property, Plant, And Equipment, Gross	$ 2,975,858	$ 2,913,355
Less accumulated depreciation and amortization	(2,513,022)	(2,058,483)
Total	462,836	854,872
Machinery and Equipment [Member]
Property, Plant, And Equipment, Gross	2,459,532	2,398,613
Furniture and Fixtures [Member]
Property, Plant, And Equipment, Gross	246,507	244,923
Leasehold Improvements [Member]
Property, Plant, And Equipment, Gross	$ 269,819	$ 269,819