Segment Information and Foreign Operations (Tables)

9 Months Ended

Sep. 30, 2019

Segment Information and Foreign Operations

Revenues reported by product type

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Product Type:
Substrates	$	15,959	$	22,802	$	53,324	$	63,769
Raw Materials and Other		3,882		5,824		11,522		16,396
Total	$	19,841	$	28,626	$	64,846	$	80,165

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				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Geographical region:
China	$	5,117	$	10,268	$	21,870	$	26,271
Europe (primarily Germany)		4,737		4,879		13,752		17,957
Taiwan		4,399		6,116		12,062		15,445
Asia Pacific (excluding China, Taiwan and Japan)		2,234		2,334		6,156		6,399
North America (primarily the United States)		2,015		2,967		6,365		7,052
Japan		1,339		2,062		4,641		7,041
Total	$	19,841	$	28,626	$	64,846	$	80,165

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
	September 30,		December 31,
	2019		2018
Long-lived assets by geographic region, net of depreciation:
North America	$	1,174	$	445
China		91,487		81,835
	$	92,661	$	82,280