Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Summary of Contributions to Retirement Plans

The Company’s contributions to retirement plans were as follows:

	Years ended December 31,
	2021		2020
PCTEL, Inc. 401(k) profit sharing plan - US employees	$	725	$	729
Defined contribution plans - China foreign employees		303		43
Defined contribution plans - Sweden foreign employees		101		0
Defined contribution plans - Other foreign employees		27		28
Total	$	1,156	$	800