Note 6 - Property, Plant and Equipment (Details) - Property, Plant, and Equipment Useful Life (USD $)	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 2,804,014	$ 2,097,076
Less accumulated depreciation and amortization	(1,633,517)	(1,264,190)
Total	1,170,497	832,886
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	2,298,516	1,674,206
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	235,679	153,051
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 269,819	$ 269,819