Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Information [Abstract]

Schedule of financial information by reportable segment

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

	Three Months Ended March 31,
	Intersection				Highway				Total
	2020		2019		2020		2019		2020		2019
Revenue	$	2,250	$	2,072	$	909	$	1,300	$	3,159	$	3,372
Gross profit		2,069		1,792		467		803		2,536		2,595
Amortization of intangible assets		92		92		82		58		174		150
Intangible assets		1,651		2,018		2,071		1,568		3,722		3,586