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Patents and Other Intangible Assets - Summary (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Patents	$ 1,614,000	$ 1,465,000
Trademarks	128,000	100,000
Other	8,000	8,000
Patents and other intangible assets	1,750,000	1,573,000
Accumulated amortization	(448,000)	(288,000)
Finite-Lived Intangible Assets, Net	1,302,000	1,285,000
Patents Pending [Member]
Patents	731,000	846,000
Issued Patents [Member]
Patents	883,000	619,000
Trademarks Pending [Member]
Trademarks	105,000	77,000
Registered Trademarks [Member]
Trademarks	$ 23,000	$ 23,000

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- Definition

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

+ References

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-Name Accounting Standards Codification
-Topic 350
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