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Patents and Other Intangible Assets - Summary (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Patents	$ 1,405,000	$ 1,405,000	$ 1,963,000
Trademarks	87,000	87,000	78,000
Other	8,000	8,000	8,000
Patents and other intangible assets	1,500,000	1,500,000	2,049,000
Accumulated amortization	(256,000)	(256,000)	(290,000)
Finite-Lived Intangible Assets, Net	1,244,000	1,244,000	1,759,000
Amount charge for patent process of reassessing	337,000	733,000
Patents Pending [Member]
Patents	847,000	847,000	1,202,000
Issued Patents [Member]
Patents	558,000	558,000	761,000
Trademarks Pending [Member]
Trademarks	64,000	64,000	55,000
Registered Trademarks [Member]
Trademarks	$ 23,000	$ 23,000	$ 23,000

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- Definition

The amount of charge against patent portfolio for process of reassessing.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of the costs pertaining to the exclusive legal rights granted to the owner of the patent to exploit an invention or a process for a period of time specified by law. Such costs may have been expended to directly apply and receive patent rights, or to acquire such rights.

+ References

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a specified period of time.

+ References

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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