Note 3 - Property and Equipment

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

NOTE

3

 - PROPERTY AND EQUIPMENT

Property and equipment consisted of the following at

March 31, 2019

and

December 31, 2018:

	Useful Life			201 9			201 8
Production equipment	3	-	10	$	9,551,758		$	9,614,189
Lab equipment	3	-	10		81,367			82,930
Computer equipment	3	-	5		298,713			204,807
Vehicles	3	-	5		66,031			71,711
Furniture and fixture		5			109,318			111,417
Leasehold improvements		10			1,040,857			1,037,678
					11,148,044			11,122,732
Less Accumulated Depreciation					(9,663,573	)		(9,691,083	)
Net Property and Equipment				$	1,484,471		$	1,431,649

Depreciation expense amounted to

$213,071

and

$216,929

for the

three

months ended

March 31, 2019

and

2018,

respectively. The property and equipment is held as collateral on lines of credit and guarantees with financial institutions. See Note

4.