Segment Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Product Revenue from Customer by Geographic Region

Product revenue from customers is designated based on the geographic region to which the product is delivered. Revenue by geographic region was as follows (in thousands):

	Year Ended
	December 31,
	2023		2022
China	$	49,060	$	45,001
Taiwan		9,034		9,503
South Korea		5,614		6,533
Japan		1,193		2,593
Other		744		1,453
Total revenue	$	65,645	$	65,083

Schedule of Revenue by Principal Products Lines

Revenue by principal product lines were as follows (in thousands):

	Year Ended
	December 31,
	2023		2022
Automotive	$	45,169	$	38,985
Security surveillance		20,476		26,098
Total revenue	$	65,645	$	65,083

Schedule of Long-lived Assets Per Geographic Region

Long-lived assets per geographic region were as follows (in thousands):

	December 31,		December 31,
	2023		2022
Taiwan	$	308	$	389
China		176		179
United States		29		52
South Korea		6		6
Japan		3		8
Total property and equipment - net	$	522	$	634