Restructuring and Integration Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Restructuring and integration activities [Roll Forward]
Exit activity liability, beginning of period	$ 79
Restructuring and integration costs provided for during 2022	41	$ 0
Cash payments	(47)
Exit activity liability, end of period	73
Soot Sensor Product Line Relocation [Member]
Restructuring and integration activities [Roll Forward]
Cash payments	(41)
Integration Costs [Abstract]
Total relocation expected expenses	$ 150
Soot Sensor Product Line Relocation [Member] | Maximum [Member]
Integration Costs [Abstract]
Expected period for completion of relocation	6 months
Plant Rationalization Program [Member]
Restructuring and integration activities [Roll Forward]
Cash payments	$ (6)
Exit activity liability, end of period	73
Workforce Reduction [Member]
Restructuring and integration activities [Roll Forward]
Exit activity liability, beginning of period	79
Restructuring and integration costs provided for during 2022	0
Cash payments	(6)
Exit activity liability, end of period	73
Other Exit Costs [Member]
Restructuring and integration activities [Roll Forward]
Exit activity liability, beginning of period	0
Restructuring and integration costs provided for during 2022	41
Cash payments	(41)
Exit activity liability, end of period	$ 0