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Patents and Other Intangible Assets - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Patents	$ 1,356	$ 1,287
Trademarks	90	90
Other	8	8
Patents and other intangible assets	1,454	1,385
Accumulated amortization	(599)	(549)
Finite-Lived Intangible Assets, Net	855	836
Patents pending
Patents	416	477
Issued patents
Patents	940	810
Trademarks pending
Trademarks	4	4
Registered trademarks
Trademarks	$ 86	$ 86

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