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Patents and Other Intangible Assets - Summary (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Patents	$ 1,454	$ 1,380
Trademarks	86	86
Other	8	8
Patents and other intangible assets	1,548	1,474
Accumulated amortization	(770)	(644)
Finite-Lived Intangible Assets, Net	778	830
Patents pending
Finite-Lived Intangible Assets [Line Items]
Patents	378	346
Issued patents
Finite-Lived Intangible Assets [Line Items]
Patents	1,076	1,034
Registered trademarks
Finite-Lived Intangible Assets [Line Items]
Trademarks	$ 86	$ 86

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