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Investments in Privately-held Companies (Tables) | 12 Months Ended
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Dec. 31, 2012
Investments in Privately-held Companies [Abstract] |
Investments | Our investments are summarized below (in thousands):
|  | Investment Balance as of |  |  |  |  |
|  | December 31, |  | 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. |  | $ | 2,038 |  | $ | 2,167 |  | Equity |  | 46 | %
Xilingol Tongli Germanium Co. Ltd |  |  | 4,246 |  |  | 3,881 |  | Equity |  | 25 | %
Emeishan Jia Mei High Purity Metals Co., Ltd |  | 1,042 |  | 1,001 |  | Equity |  | 25 | %
|  | $ | 7,326 |  | $ | 7,049 |  |  |  |  |
Summarized income information | All the minority investment entities that are not consolidated and accounted for under the equity method had the following summarized operating information (in thousands) for the years ended December 31, 2012, 2011 and 2010, respectively.
| Years Ended December 31, |  | Our share for the Years Ended December 31, |  |
| 2012 | 2011 | 2010 | 2012 | 2011 | 2010
Net Sales | $32,858 | $21,340 | $13,009 | $8,091 | $5,196 | $3,252
Gross profit | 11,057 | 7,576 | 3,697 | 2,643 | 1,814 | 924 |
Operating income | 6,310 | 3,819 | 899 | 1,409 | 863 | 225 |
Net income | 5,665 | 2,900 | 973 | 1,281 | 741 | 259 |
Summarized balance sheet information | All the minority investment entities that are not consolidated and accounted for under the equity method had the following summarized balance sheet information (in thousands) as of December 31, 2012 and 2011, respectively.
| As of December 31,
| 2012 | 2011
Current assets | 20,594 | 17,392
Noncurrent assets | 37,555 | 33,778
Current liabilities | 20,772 | 16,708
Noncurrent liabilities | 2,873 | 3,806
All the minority investment entities that are not consolidated and accounted for under the equity method had gross equity earnings of $1.3 million, $741,000 and $259,000 for the years ended December 31, 2012, 2011 and 2010, respectively. Dividends received from these minority investment entities were $277,000, $357,000 and none for the years ended December 31, 2012, 2011 and 2010 respectively. Undistributed retained earnings relating to our investments in all these minority investment entities were $4.3 million and $3.3 million as of December 31, 2012 and 2011 respectively.

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