Segment Information (Tables)

6 Months Ended

Jun. 30, 2022

Segment Information [Abstract]

Schedule of financial information by reportable segment

The following tables set forth selected unaudited financial information for each of our reportable segments (in thousands): 

	Three Months Ended June 30,
	Intersection				Highway				Total
	2022		2021		2022		2021		2022		2021
Revenue	$	1,456	$	2,637	$	1,363	$	1,151	$	2,819	$	3,788
Gross profit		1,305		2,437		690		524		1,995		2,961
Amortization of intangible assets		105		97		99		98		204		195
Intangible assets		1,782		1,364		1,214		1,593		2,996		2,957

	Six Months Ended June 30,
	Intersection				Highway				Total
	2022		2021		2022		2021		2022		2021
Revenue	$	3,438	$	4,529	$	2,133	$	2,238	$	5,571	$	6,767
Gross profit		3,074		4,161		1,057		1,073		4,131		5,234
Amortization of intangible assets		210		190		194		192		404		382
Intangible assets		1,782		1,364		1,214		1,593		2,996		2,957