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Equity Method Investments (Details Textual) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Schedule of Equity Method Investments [Line Items] |  |  |  |
Gain on disposal of equity method investment | $ 88 | $ 0 | $ 88 | $ 0
Proceeds from Sale of Equity Method Investments | $ 179 | 0 | 179 | $ 0
Viewsil Microelectronics Kunshan Limited [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investor Level Goodwill |  | 1,897 | 1,897 |
Equity In Losses Of Equity Method Investee |  | $ 1,266 | $ 71 |

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- Definition Represents the amount of investor level goodwill. + References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of an equity method investment. + References No definition available. + Details
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- Definition The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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