Segment Information and Foreign Operations (Tables)

6 Months Ended

Jun. 30, 2020

Segment Information and Foreign Operations

Revenues reported by product type

The following table represents revenue amounts (in thousands) by product type:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Product Type:
Substrates	$	16,874	$	20,599	$	33,755	$	37,365
Raw Materials and Other		5,260		4,198		9,102		7,640
Total	$	22,134	$	24,797	$	42,857	$	45,005

Revenue reported for products shipped to customers in the corresponding geographic region

The following table represents revenue amounts (in thousands) reported for products shipped to customers in the corresponding geographic region:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Geographical region:
China	$	7,753	$	9,642	$	12,477	$	16,753
Taiwan		4,398		4,655		9,575		7,663
Japan		1,698		1,510		3,032		3,302
Asia Pacific (excluding China, Taiwan and Japan)		1,701		2,738		3,057		3,922
Europe (primarily Germany)		4,114		4,640		10,328		9,015
North America (primarily the United States)		2,470		1,612		4,388		4,350
Total	$	22,134	$	24,797	$	42,857	$	45,005

Long-lived assets by geographic region

Long-lived assets consist primarily of property, plant and equipment and operating lease right-of-use assets, and are attributed to the geographic location in which they are located. Long-lived assets, net of depreciation, by geographic region were as follows (in thousands):

	As of
	June 30,		December 31,
	2020		2019
Long-lived assets by geographic region, net of depreciation:
North America	$	789	$	1,069
China		102,964		99,272
	$	103,753	$	100,341