Segment Information and Foreign Operations (Tables)

12 Months Ended

Dec. 31, 2019

Segment Information and Foreign Operations

Revenues reported by product type

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

	Year Ended
	December 31,
	2019		2018		2017
Product Type:
Substrates	$	67,849	$	81,008	$	78,619
Raw materials and others		15,407		21,389		20,054
Total	$	83,256	$	102,397	$	98,673

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:

	Year Ended
	December 31,
	2019		2018		2017
Geographical region:
China	$	26,796	$	31,492	$	24,962
Europe (primarily Germany)		18,178		22,013		23,956
Taiwan		16,204		20,078		18,279
North America (primarily the United States)		8,228		10,021		8,352
Asia Pacific (excluding China, Taiwan and Japan)		7,592		8,488		9,866
Japan		6,258		10,305		13,258
Total	$	83,256	$	102,397	$	98,673

Long-lived assets by geographic region

Long-lived assets consist primarily of property, plant and equipment, and operating lease right-of-use assets 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 December 31,
	2019		2018
Long-lived assets by geographic region, net of depreciation:
North America	$	1,069	$	445
China		99,272		81,835
	$	100,341	$	82,280