Patents and Other Intangible Assets

3 Months Ended

Mar. 31, 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:

	March 31,		December 31,
	2017		2016
	(unaudited)
Patents
Patents pending	$	1,080,000	$	1,040,000
Issued patents		806,000		747,000
		1,886,000		1,787,000
Trademarks
Trademarks pending		29,000		23,000
Registered trademarks		23,000		23,000
		52,000		46,000
Other		8,000		8,000
		1,946,000		1,841,000
Accumulated amortization		(154,000)		(106,000)
	$	1,792,000	$	1,735,000

During the three months ended March 31, 2017 and 2016, the Company recorded impairment losses of $0 and $65,000, respectively, of capitalized patents pending.

Future amortization expense associated with issued patents and registered trademarks as of March 31, 2017 is estimated as follows:

2017	$	149,000
2018		198,000
2019		179,000
2020		91,000
2021		30,000
Thereafter		28,000
	$	675,000