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Patents and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

Patents and other intangible assets are summarized as follows:

		March 31,			December 31,
		2016			2015
		(unaudited)
Patents
Patents pending		$	2,959,000		$	2,730,000
Issued patents			191,000			115,000
			3,150,000			2,845,000
Trademarks
Trademarks pending			18,000			18,000
Registered trademarks			23,000			23,000
			41,000			41,000
Other			8,000			8,000
			3,199,000			2,894,000
Accumulated amortization			(21,000)			(13,000)
		$	3,178,000		$	2,881,000

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Future amortization expense associated with issued patents and registered trademarks as of March 31, 2016 is estimated as follows:

2016		$	25,000
2017			33,000
2018			33,000
2019			33,000
2020			31,000
Thereafter			38,000
		$	193,000