Patents and Other Intangible Assets

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Disclosure [Text Block]

Note 4 – Patents and Other Intangible Assets

Patents and other intangible assets are summarized as follows:

	September 30,		December 31,
	2017		2016
	(unaudited)
Patents
Patents pending	$	1,163,000	$	1,040,000
Issued patents		862,000		747,000
		2,025,000		1,787,000
Trademarks
Trademarks pending		36,000		23,000
Registered trademarks		23,000		23,000
		59,000		46,000
Other		8,000		8,000
		2,092,000		1,841,000
Accumulated amortization		(256,000)		(106,000)
	$	1,836,000	$	1,735,000

During the three and nine months ended September 30, 2017 and 2016, the Company recorded impairment losses of $0, $0, $1,739,000, and $1,971,000 respectively, of capitalized patents pending.

Future amortization expense associated with issued patents and registered trademarks as of September 30, 2017 is estimated as follows:

2017	$	54,000
2018		215,000
2019		193,000
2020		109,000
2021		38,000
Thereafter		29,000
	$	638,000