Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 11,083	$ 11,047
Accumulated amortization	(9,468)	(9,358)
Total	1,615	1,689
Tradename [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 555	555
Tradename [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	5 years
Tradename [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	7 years
Patents and technological know-how [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 7,224	7,187
Patents and technological know-how [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	10 years
Patents and technological know-how [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	20 years
Proprietary software [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 2,981	2,981
Proprietary software [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	3 years
Proprietary software [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	15 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 323	$ 324
Other [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	3 years
Other [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives (in years)	5 years