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Segment Information and Foreign Operations (Tables) | 6 Months Ended
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Jun. 30, 2012
Segment Information and Foreign Operations [Abstract] |
Product Information | Product Information
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |
|  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Revenue by product type: |  |  |  |  |  |  |  |  |
GaAs substrates |  | $ | 14,862 |  | $ | 17,966 |  | $ | 27,093 |  | $ | 33,858 |
InP substrates |  | 1,333 |  | 1,604 |  | 2,784 |  | 2,936 |
Ge substrates |  | 2,441 |  | 2,701 |  | 5,071 |  | 5,691 |
Raw materials and other |  | 6,517 |  | 7,760 |  | 13,691 |  | 12,112 |
Total |  | $ | 25,153 |  | $ | 30,031 |  | $ | 48,639 |  | $ | 54,597 |
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 |
|  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Revenue by geographic region: |  |  |  |  |  |  |  |  |
North America* |  | $ | 4,266 |  | $ | 6,412 |  | $ | 9,433 |  | $ | 10,204 |
Europe |  | 4,806 |  | 6,048 |  | 9,371 |  | 11,232 |
Japan |  | 2,603 |  | 4,379 |  | 4,792 |  | 7,407 |
Taiwan |  | 3,594 |  | 2,745 |  | 5,640 |  | 5,609 |
Asia Pacific |  | 9,884 |  | 10,447 |  | 19,403 |  | 20,145 |
Total |  | $ | 25,153 |  | $ | 30,031 |  | $ | 48,639 |  | $ | 54,597 |
[Missing Graphic Reference] *Primarily the United States
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 by geographic region were as follows (in thousands):
|  | As of |
|  | June 30, |  | December 31, |
|  | 2012 |  | 2011 |
Long-lived assets by geographic region: |  |  |  |  |
North America |  | $ | 375 |  | $ | 484 |
China |  | 34,941 |  | 33,798 |
|  | $ | 35,316 |  | $ | 34,282 |

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