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Patents and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

Patents and other intangible assets are summarized as follows:

		June 30,			December 31,
		2016			2015
		(unaudited)
Patents
Patents pending		$	2,927,000		$	2,730,000
Issued patents			337,000			115,000
			3,264,000			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
			3,313,000			2,894,000
Accumulated amortization			(37,000)			(13,000)
		$	3,276,000		$	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 June 30, 2016 is estimated as follows:

2016		$	31,000
2017			62,000
2018			63,000
2019			63,000
2020			60,000
Thereafter			44,000
		$	323,000