Segment Information and Foreign Operations (Tables)

6 Months Ended

Jun. 30, 2022

Segment Information and Foreign Operations

Revenues reported by product type

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Product Type:
Substrates	$	31,694	$	24,905	$	63,439	$	48,278
Raw Materials and Other		7,793		8,830		15,701		16,807
Total	$	39,487	$	33,735	$	79,140	$	65,085

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,
	2022		2021		2022		2021
Geographical region:
China	$	18,445	$	15,546	$	35,925	$	31,092
Taiwan		7,044		4,996		13,903		8,011
Japan		2,718		2,635		5,525		5,158
Asia Pacific (excluding China, Taiwan and Japan)		662		1,396		2,418		3,213
Europe (primarily Germany)		5,299		6,411		11,693		11,846
North America (primarily the United States)		5,319		2,751		9,676		5,765
Total	$	39,487	$	33,735	$	79,140	$	65,085

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
	June 30,		December 31,
	2022		2021
Long-lived assets by geographic region, net of depreciation:
North America	$	846	$	1,610
China		154,057		143,129
	$	154,903	$	144,739