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Segment Information and Foreign Operations
 12 Months Ended
Dec. 31, 2012
Segment Information and Foreign Operations [Abstract]  
Segment Information and Foreign Operations
Note 15. Segment Information and Foreign Operations

Segment Information
 
We operate in one segment for the design, development, manufacture and distribution of high-performance compound semiconductor substrates and sale of materials. 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 Type
 
The following table represents revenue amounts (in thousands) by type:
 
 
Years Ended December 31,
 
 
2012
 
2011
 
2010
 
Product type:
     
GaAs
$  51,368
$ 63,697
$ 67,591
InP
6,024
5,182
4,038
Ge
8,734
11,635
8,955
Raw materials
22,247
23,606
14,884
Other
1
 
1
 
25
 
 
$  88,374
 
$104,121
 
$ 95,493
 
 
Geographical Information
 
The following table represents revenue amounts (in thousands) reported for products shipped to customers in the corresponding geographic region:
 
 
Years Ended December 31,
 
 
2012
 
2011
 
2010
 
Product revenue:
     
North America*
$   15,391
$ 20,471
$ 20,739
Europe
18,170
21,082
18,838
Japan
9,346
13,749
11,857
Taiwan
10,985
9,813
14,834
Asia Pacific (excluding Japan and Taiwan)
34,482
 
39,006
 
29,225
 
 
$   88,374
 
$104,121
 
$ 95,493
 
[Missing Graphic Reference]
*
Primarily the United States
 
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 by geographic region were as follows (in thousands):
 
 
As of December 31,
 
 
2012
 
2011
 
Long-lived assets:
   
United States of America
$      430
$      484
China
36,805
 
33,798
 
 
$ 37,235
 
$ 34,282