Segment Information and Foreign Operations (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2020		2019
Product Type:
Substrates	$	16,881	$	16,766
Raw Materials and Other		3,842		3,442
Total	$	20,723	$	20,208

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
	March 31,
	2020		2019
Geographical region:
Europe (primarily Germany)	$	6,214	$	4,375
Taiwan		5,177		3,008
China		4,724		7,111
North America (primarily the United States)		1,918		2,738
Asia Pacific (excluding China, Taiwan and Japan)		1,356		1,184
Japan		1,334		1,792
Total	$	20,723	$	20,208

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
	March 31,		December 31,
	2020		2019
Long-lived assets by geographic region, net of depreciation:
North America	$	920	$	1,069
China		99,380		99,272
	$	100,300	$	100,341