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Equity Method Investments (Tables) | 12 Months Ended
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Dec. 31, 2012
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Equity Method Investments [Table Text Block] | As of December 31, 2011 and 2012, equity method investments consisted of the following:
|  | December 31, |
|  | 2011 |  |  | 2012 |
|  | Amount |  |  | Holding % |  |  | Amount |  |  | Holding % |
Create Electronic Optical Co., Ltd. |  | $ | 439 |  |  |  | 21.11 |  |  |  | 283 |  |  |  | 21.11 |

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- Definition Tabular disclosure of equity method investments in common stock. The disclosure may include: (a) the name of each investee or group of investments for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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