Segment Information (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [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 March 31,
	Intersection				Highway				Total
	2016		2015		2016		2015		2016		2015
Revenue	$	1,904	$	2,161	$	1,334	$	1,066	$	3,238	$	3,227
Gross profit		1,718		2,060		602		580		2,320		2,640
Amortization of intangible assets		—		—		—		122		—		122
Intangible assets		1,811		—		—		332		1,811		332