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Patents and Other Intangible Assets - Summary (Details) - USD ($)	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Patents	$ 1,696,000	$ 1,963,000
Trademarks	86,000	78,000
Other	8,000	8,000
Patents and other intangible assets	1,790,000	2,049,000
Accumulated amortization	(260,000)	(290,000)
Finite-Lived Intangible Assets, Net	1,530,000	1,759,000
Amount charge for patent process of reassessing	396,000
Patents Pending [Member]
Patents	1,063,000	1,202,000
Issued Patents [Member]
Patents	633,000	761,000
Trademarks Pending [Member]
Trademarks	63,000	55,000
Registered Trademarks [Member]
Trademarks	$ 23,000	$ 23,000

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- Definition

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

+ References

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+ References

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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+ References

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