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Patents and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

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,
		2019				2018
			(Unaudited)
Patents
Patents pending		$	1,313,000			$	1,202,000
Issued patents			791,000				761,000
			2,104,000				1,963,000
Trademarks
Trademarks pending			59,000				55,000
Registered trademarks			23,000				23,000
			82,000				78,000
Other			8,000				8,000
			2,194,000				2,049,000
Accumulated amortization			(332,000	)			(290,000	)
		$	1,862,000			$	1,759,000

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, 2019 is estimated as follows (unaudited):

2019 (remaining 9 months)		$	130,000
2020			151,000
2021			97,000
2022			64,000
2023			33,000
Thereafter			6,000
		$	481,000

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- References

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267

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- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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