Segment Reporting (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) carrier	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of U.S. wireless carriers | carrier	4
Sales	$ 14,720	$ 23,759
Gross profit	3,417	5,758
Income (loss) from operations	(2,553)	(1,165)
Segment assets	24,009		$ 27,218
Operating segments
Segment Reporting Information [Line Items]
Sales	14,720	23,759
Income (loss) from operations	(2,553)	(1,165)
Non-allocated
Segment Reporting Information [Line Items]
Segment assets	3,562		4,211
Wireless | Operating segments
Segment Reporting Information [Line Items]
Sales	6,572	7,766
Gross profit	1,344	1,537
Income (loss) from operations	(2,097)	(2,203)
Segment assets	8,223		9,790
Telco | Operating segments
Segment Reporting Information [Line Items]
Sales	8,148	15,993
Gross profit	2,073	4,221
Income (loss) from operations	(456)	$ 1,038
Segment assets	$ 12,224		$ 13,217