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Patents and Other Intangible Assets - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Patents	$ 1,287	$ 1,122
Trademarks	90	101
Other	8	8
Patents and other intangible assets	1,385	1,231
Accumulated amortization	(549)	(433)
Finite-Lived Intangible Assets, Net	836	798
Patents pending
Patents	477	307
Issued patents
Patents	810	815
Trademarks pending
Trademarks	4	6
Registered trademarks
Trademarks	$ 86	$ 95

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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-Name Accounting Standards Codification
-Section S99
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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.

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