Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Intangible Assets [Abstract]

Schedule of intangible assets

Intangible assets consisted of the following (dollars in thousands):            

	June 30, 2018
								Weighted
	Gross					Net		Average
	Carrying		Accumulated			Carrying		Useful Life
	Amount		Amortization			Value		(in Years)
Developed technology	$	3,900	$	(3,900	)	$	—	—
Vision development costs		2,929		(636	)		2,293	8.0
Software development in process costs		882		—			882	—
Wrong Way development costs		228		(47	)		181	2.0
Total	$	7,939	$	(4,583	)	$	3,356	7.6

	December 31, 2017
								Weighted
	Gross					Net		Average
	Carrying		Accumulated			Carrying		Useful Life
	Amount		Amortization			Value		(in Years)
Developed technology	$	3,900	$	(3,900	)	$	—	—
Vision development costs		2,929		(452	)		2,477	8.0
Software development in process costs		1,008		—			1,008	—
Total	$	7,837	$	(4,352	)	$	3,485	8.0