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Segment Information and Foreign Operations
12 Months Ended
Dec. 31, 2022
Segment Information and Foreign Operations  
Segment Information and Foreign Operations

Note 14. Segment Information and Foreign Operations

Segment Information

We operate in one segment for the design, development, manufacture and distribution of high-performance compound and single element semiconductor substrates and sale of raw materials integral to these substrates. In accordance with ASC Topic 280, Segment Reporting, our chief operating decision-maker has been identified as the Chief Executive Officer, who reviews operating results to make decisions about allocating resources and assessing performance for the Company. Since we operate in one segment, all financial segment and product line information can be found in the consolidated financial statements.

Product Information

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

Year Ended

December 31, 

2022

    

2021

    

2020

 

Product Type:

Substrates

$

111,094

$

103,026

$

75,587

Raw materials and others

 

30,024

 

34,367

 

19,774

Total

$

141,118

$

137,393

$

95,361

Geographical Information

The following table represents revenue amounts (in thousands) reported for products shipped to customers in the corresponding geographic region:

Year Ended

December 31, 

2022

    

2021

    

2020

 

Geographical region:

China

$

55,414

$

67,394

$

35,150

Taiwan

28,780

16,841

16,485

Japan

11,724

10,112

7,624

Asia Pacific (excluding China, Taiwan and Japan)

4,188

7,540

5,458

Europe (primarily Germany)

20,592

23,069

19,673

North America (primarily the United States)

 

20,420

 

12,437

 

10,971

Total

$

141,118

$

137,393

$

95,361

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, 

 

2022

    

2021

 

Long-lived assets by geographic region, net of depreciation:

North America

$

346

$

1,610

China

 

162,432

 

143,129

$

162,778

$

144,739