Segment Information and Foreign Operations (Tables)

3 Months Ended

Mar. 31, 2018

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,
	2018		2017
Product Type:
Substrates	$	19,364	$	16,609
Raw Materials and Others		5,055		4,007
Total	$	24,419	$	20,616

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,
	2018		2017
Geographical region:
China	$	7,183	$	4,422
Europe (primarily Germany)		6,393		5,598
Taiwan		5,049		3,318
Japan		2,455		3,140
North America (primarily the United States)		1,845		2,067
Asia Pacific (excluding China, Taiwan and Japan)		1,494		2,071
Total	$	24,419	$	20,616

Long-lived assets by geographic region

Long-lived assets consist primarily of property, plant and equipment, 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,
	2018		2017
Long-lived assets by geographic region, net of depreciation:
North America	$	1,237	$	1,410
China		57,526		45,120
	$	58,763	$	46,530