Patents

6 Months Ended

Jun. 30, 2015

Notes to Financial Statements

Note 4 - Patents

The components of patents are as follows:

	June 30,			December 31,
	2015			2014
Patents	$	145,519		$	153,607
Less accumulated amortization		(98,710	)		(102,254	)
	$	46,809		$	51,353

The Company amortizes patent costs on a straight-line basis over the expected period of benefit of the related capitalized expenditures. Amortization expense amounted to $2,548 and $2,498 for the three months ended June 30, 2015 and 2014, respectively, and $5,095 and $4,996 for the six months ended June 30, 2015 and 2014, respectively. Amortization expense for the next five years is expected to be approximately $5,000 for the remainder of 2015, approximately $10,000 in 2016, approximately $6,000 in 2017, approximately $4,000 in 2018 and approximately $21,000 thereafter.