Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

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
	2018		2017		2018		2017		2018		2017
Revenue	$	2,842	$	2,214	$	1,051	$	1,261	$	3,893	$	3,475
Gross profit		2,596		1,954		596		723		3,192		2,677
Amortization of intangible assets		92		90		28		—		120		90
Intangible assets		2,293		2,635		1,063		546		3,356		3,181

	Six Months Ended June 30,
	Intersection				Highway				Total
	2018		2017		2018		2017		2018		2017
Revenue	$	5,259	$	4,118	$	1,644	$	2,441	$	6,903	$	6,559
Gross profit		4,782		3,689		973		1,438		5,755		5,127
Amortization of intangible assets		184		180		47		—		231		180
Intangible assets		2,293		2,635		1,063		546		3,356		3,181