Note 4 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Property, Plant and Equipment [Table Text Block]

	Useful Life			2015		2014
Production equipment	3	-	10	$	10,536,377	$	10,792,494
Lab equipment	3	-	10		143,783		160,427
Computer equipment	3	-	5		269,526		288,351
Vehicles	3	-	5		40,365		93,477
Furniture and fixture		5			141,502		180,138
Leasehold improvements		10			972,023		1,052,923
					12,103,576		12,567,810
Less Accumulated Depreciation					(8,564,882)		(8,043,424	)
Net Property and Equipment				$	3,538,694	$	4,524,386