Segment Information and Foreign Operations (Tables)

6 Months Ended

Jun. 30, 2017

Segment Information and Foreign Operations

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


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Product Type:
Substrates	$	19,109	$	16,727	$	35,718	$	32,579
Raw Materials and Others		4,448		3,768		8,455		6,629
Total	$	23,557	$	20,495	$	44,173	$	39,208

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				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Europe (primarily Germany)	$	5,848	$	4,573	$	11,446	$	8,951
China		6,324		4,183		10,746		7,275
Taiwan		4,195		4,649		7,513		8,784
Japan		2,862		2,695		6,002		4,597
Asia Pacific (excluding China, Taiwan and Japan)		2,645		2,402		4,716		5,152
North America (primarily the United States)		1,683		1,993		3,750		4,449
Total	$	23,557	$	20,495	$	44,173	$	39,208

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
	June 30,		December 31,
	2017		2016
Long-lived assets by geographic region, net of depreciation:
North America	$	958	$	318
China		26,987		27,487
	$	27,945	$	27,805