Patents and Other Intangible Assets - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Patents	$ 1,142	$ 1,122
Trademarks	90	101
Other	8	8
Patents and other intangible assets	1,240	1,231
Accumulated amortization	(478)	(433)
Finite-Lived Intangible Assets, Net	762	798
Patents pending
Patents	360	307
Issued patents
Patents	782	815
Trademarks pending
Trademarks	4	6
Registered trademarks
Trademarks	$ 86	$ 95

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

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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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