Product Line, Customer and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2021

Result of Product Line Revenues and Gross Profits

Product Line Information:

The following tables are the product line revenues and gross profits for the years ended December 31, 2021, and 2020:

	Year Ended December 31, 2021
	Antennas and Industrial IoT Devices			Test & Measurement Products			Corporate			Total
Revenues	$	63,025		$	25,704		$	(922	)	$	87,807
Gross Profit	$	21,031		$	19,592		$	(145	)	$	40,478
Gross Profit %		33.4	%		76.2	%	NA				46.1	%
	Year Ended December 31, 2020
	Antennas and Industrial IoT Devices			Test & Measurement Products			Corporate			Total
Revenues	$	50,540		$	27,565		$	(649	)	$	77,456
Gross Profit	$	17,665		$	20,244		$	18		$	37,927
Gross Profit %		35.0	%		73.4	%	NA				49.0	%

Customers Accounted Revenues by Geographic Location

Geographic Information:

The Company’s revenue to customers by geographic location, as a percent of total revenues, is as follows:

	Years Ended December 31,
Region	2021			2020
Europe, Middle East, & Africa		23	%		17	%
Asia Pacific		8	%		8	%
Other Americas		4	%		3	%
Total Foreign sales		35	%		28	%
Total Domestic sales		65	%		72	%
		100	%		100	%

Long-lived Assets by Geographic Region

The long-lived assets by geographic region are as follows:

	December 31,
	2021		2020
United States	$	17,070	$	22,439
Sweden		4,897		0
China		333		479
	$	22,300	$	22,918

Revenue [Member]

Schedule of Revenues and Total Trade Accounts Receivable Represents Customers Accounted for 10% or More Percentage

One customer accounted for 10% or more of revenues during the year ended December 31, 2021, and no customer accounted for more than 10% or more of revenues during the year ended 2020.

	Years Ended December 31,
Revenues	2021	2020
Customer A	10%	8%

Trade Accounts Receivable [Member]

Schedule of Revenues and Total Trade Accounts Receivable Represents Customers Accounted for 10% or More Percentage

The following table represents the two customers that accounted for 10% or more of total trade accounts receivable on December 31, 2020.  As of December 31, 2021, no customer accounted for more than 10% of accounts receivables.

	As of December 31,
Trade Accounts Receivable	2021	2020
Customer A	5%	31%
Customer B	4%	10%