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Investments in Privately-held Companies (Tables) | 3 Months Ended
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Mar. 31, 2013
Investments in Privately-held Companies [Abstract] |
Investments | Our investments are summarized below (in thousands):
|  | Investment Balance as of |
|  | March 31, |  |  | December 31, |  | Accounting |  | Ownership |
Company |  | 2013 |  |  | 2012 |  | Method |  | Percentage |
Beijing JiYa Semiconductor Material Co., Ltd |  | $ | 3,331 |  |  | $ | 3,331 |  | Consolidated |  |  | 46 | %
Nanjing Jin Mei Gallium Co., Ltd |  |  | 592 |  |  |  | 592 |  | Consolidated |  |  | 83 | %
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd |  |  | 410 |  |  |  | 410 |  | Consolidated |  |  | 70 | %
|  | $ | 4,333 |  |  | $ | 4,333 |  |  |  |  |  |
Donghai County Dongfang High Purity Electronic Materials Co., Ltd. |  | $ | 2,011 |  |  | $ | 2,038 |  | Equity |  |  | 46 | %
Xilingol Tongli Germanium Co. Ltd |  |  | 4,279 |  |  |  | 4,246 |  | Equity |  |  | 25 | %
Emeishan Jia Mei High Purity Metals Co., Ltd |  |  | 1,054 |  |  |  | 1,042 |  | Equity |  |  | 25 | %
|  | $ | 7,344 |  |  | $ | 7,326 |  |  |  |  |  |
Summarized income information | All of the minority investment entities that are not consolidated and accounted for under the equity method had the following summarized income information (in thousands) for the three months ended March 31, 2013 and 2012.
|  | Three Months Ended March 31, |
|  | 2013 |  |  | 2012 |
Net Sales |  | $ | 9,273 |  |  | $ | 6,543 |
Gross profit |  |  | 3,124 |  |  |  | 1,950 |
Operating income |  |  | 1,614 |  |  |  | 862 |
Net income |  |  | 1,295 |  |  |  | 742 |

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