Operating Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Net sales	$ 125,206	$ 125,362	$ 252,294	$ 253,429
Operating Income (Loss)	(4,047)	(4,514)	(11,122)	(7,934)
Mobile Solutions [Member]
Segment Reporting Information [Line Items]
Net sales	77,153	73,350	155,171	149,420
Operating Income (Loss)	(1,461)	1,729	(4,780)	3,698
Power Solutions [Member]
Segment Reporting Information [Line Items]
Net sales	48,062	52,049	97,134	104,060
Operating Income (Loss)	2,583	1,430	4,330	1,794
Corporate
Segment Reporting Information [Line Items]
Operating Income (Loss)	(5,169)	(7,673)	(10,672)	(13,426)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	$ (9)	$ (37)	$ (11)	$ (51)