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Patents and Other Intangible Assets - Summary (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Patents	$ 1,416	$ 1,380
Trademarks	86	86
Other	8	8
Patents and other intangible assets	1,510	1,474
Accumulated amortization	(686)	(644)
Finite-Lived Intangible Assets, Net	824	830
Patents pending
Patents	360	346
Issued patents
Patents	1,056	1,034
Registered trademarks
Trademarks	$ 86	$ 86

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