Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Summary of Operating Results by Reportable Segment

The following table summarizes the operating results by reportable segment for 2019 (dollars in thousands):

	Laser Products			Advanced Development			Corporate and Other			Totals
Revenue	$	174,059		$	2,560		$	—		$	176,619
Gross profit	$	53,247		$	293		$	(1,201	)	$	52,339
Gross margin	30.6		%	11.4		%	NM			29.6		%
Operating income (loss)	$	(768	)	$	186		$	(9,326	)	$	(9,909	)

Schedule of Revenue And Long-lived Assets By Geographical Areas

The geographic locations of the Company’s long‑lived assets, net, based on location of the assets, are as follows (in thousands):

	As of December 31,
	2019		2018
North America	$	39,257	$	18,505
China	9,797		11,533
Rest of World	2,319		1,471
	$	51,373	$	31,509