Segment Information (Tables)

6 Months Ended

Jun. 30, 2021

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
	2021		2020		2021		2020		2021		2020
Revenue	$	2,637	$	2,465	$	1,151	$	922	$	3,788	$	3,387
Gross profit		2,437		2,233		524		543		2,961		2,776
Amortization of intangible assets		97		91		98		97		195		188
Intangible assets		1,364		1,559		1,593		1,976		2,957		3,535

	Six Months Ended June 30,
	Intersection				Highway				Total
	2021		2020		2021		2020		2021		2020
Revenue	$	4,529	$	4,715	$	2,238	$	1,831	$	6,767	$	6,546
Gross profit		4,161		4,302		1,073		1,010		5,234		5,312
Amortization of intangible assets		190		183		192		179		382		362
Intangible assets		1,364		1,559		1,593		1,976		2,957		3,535