Note 4 - Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Property, Plant and Equipment [Table Text Block]

	Useful Life			2017			2016
Production equipment	3	-	10	$	10,795,224		$	10,370,462
Lab equipment	3	-	10		82,967			76,658
Computer equipment	3	-	5		190,494			185,652
Vehicles	3	-	5		10,560			39,090
Furniture and fixture		5			162,205			146,453
Leasehold improvements		10			1,036,295			955,563
					12,277,745			11,773,878
Less Accumulated Depreciation					(9,992,242	)		(9,140,320	)
Net Property and Equipment				$	2,285,503		$	2,633,558