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Investments in Privately-held Companies (Tables) | 6 Months Ended
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Jun. 30, 2012
Investments in Privately-held Companies [Abstract] |
Investments | The investments are summarized below (in thousands):
|  | Investment Balance as of |  |  |  |  |
|  | June 30, |  | December 31, |  | Accounting |  | Ownership |
Company |  | 2012 |  | 2011 |  | Method |  | Percentage |
Beijing JiYa Semiconductor Material Co., Ltd |  | $ | 3,331 |  | $ | 996 |  | 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 |  | $ | 1,998 |  |  |  |  |
Donghai County Dongfang High Purity Electronic Materials Co., Ltd. |  | $ | 2,100 |  | $ | 2,167 |  | Equity |  | 46 | %
Xilingol Tongli Germanium Co. Ltd |  |  | 3,800 |  |  | 3,881 |  | Equity |  | 25 | %
Emeishan Jia Mei High Purity Metals Co., Ltd |  | 1,037 |  | 1,001 |  | Equity |  | 25 | %
|  | $ | 6,937 |  | $ | 7,049 |  |  |  |  |

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