SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenue	$ 14,732	$ 14,561
Gross profit	11,603	11,775
Amortization of intangible assets	598	530
Intangible assets	3,875	3,317
Intersection [Member]
Segment Reporting Information [Line Items]
Revenue	9,599	10,052
Gross profit	8,613	9,168
Amortization of intangible assets	367	367
Intangible assets	1,743	2,110
Highway [Member]
Segment Reporting Information [Line Items]
Revenue	5,133	4,509
Gross profit	2,990	2,607
Amortization of intangible assets	231	163
Intangible assets	$ 2,132	$ 1,207

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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