Note 6 - Definite-life Intangible Assets

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

NOTE

6

 

- DEFINITE-LIFE INTANGIBLE ASSETS

At

December 31,

201

7

and

December 31, 2016,

definite-life intangible assets, net of accumulated amortization, consisted of patents on the Company’s products of

$3,349

and

$5,614,

respectively. The patents are recorded at cost and amortized over

two

to

ten

years. Amortization expense for the years ended

December 31, 2017

and

2016

was

$2,265

and

$4,772,

respectively. Expected future amortization expense for the years ended are as follows:

Year ending December 31,	Amortization Expenses
2018		2,579
2019		770
Thereafter		-
	$	3,349