Unearned Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Revenue Recognition And Deferred Revenue [Abstract]

Schedule of Unearned Revenue by Segment

Unearned revenue by segment was as follows:

	September 30, 2018		December 31, 2017
Automotive	$	1,914	$	—
Industrial		4,214		4,889
Total	$	6,128	$	4,889

Schedule of Changes in Unearned Revenue

Changes in unearned revenue were as follows:

Nine Months Ended September 30, 2018
Balance, beginning of period	$	4,889
Additions to unearned revenue		15,467
Reclassified to revenue		(14,193	)
Currency impacts		(35	)
Balance, end of period	$	6,128