Note 6 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	Year Ended December 31,
	2015			2014
Machinery and equipment (5-7 year life)	$	2,398,613		$	2,298,516
Furniture and fixtures (3-5 year life)		244,923			235,679
Leasehold improvements (5-7 year life)		269,819			269,819
		2,913,355			2,804,014
Less accumulated depreciation and amortization		(2,058,483	)		(1,633,517	)
Total	$	854,872		$	1,170,497