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Long-Term Investments | 12 Months Ended
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Dec. 31, 2016
Long-Term Investments | 8. LONG-TERM INVESTMENTS As of December 31, 2015 and 2016, the Company held equity investments in several privately-held companies with the carrying value as follows:
|  | Percentage of Ownership |  |  | December 31 |
|  | 2015 |  |  | 2016 |  |  | 2015 |  |  | 2016 |
|  |  |  |  |  |  |  | US$ |  |  | US$ |
Cost method: |  |  |  |  |  |  |  |  |  |  |  |
Cashido Corp. (Cashido) |  |  | 2.1 | % |  |  | 2.1 | % |  |  | 104 |  |  |  | 91 |
Vastview Technology, Corp. (Vastview) |  |  | 2.9 | % |  |  | 2.9 | % |  |  | 29 |  |  |  | 29 |
|  |  |  |  |  |  |  |  |  |  | 133 |  |  |  | 120 |
In July 2001, the Company invested in the common stock of Cashido. At the time of our investment, Cashido manufactured flash memory storage devices. Cashido currently focuses on the manufacture of computer accessories and ozone based sterilization devices. In 2016, the Company recognized impairment charges of US$13 thousand in its investment in Cashido. In December 2006 and February 2007, the Company invested US$3,360 thousand in the common stock of Vastview. Vastview is a fabless semiconductor company that develops and markets driver ICs and other ICs for the TFT-LCD industry. In 2009 and 2013, the Company received US$808 thousand and US$46 thousand from Vastview which reduced its share capital. From 2008 to 2010, the Company recognized impairment charges of US$2,462 thousand in its investment in Vastview. Since 2011, Vastview has not incurred any impairment charges. The Company accounts for these investments using the cost method. These investments are evaluated for impairment on an annual basis or as circumstances warrant. The Company believed there were no other than temporary impairment charges for the years ended December 31, 2014, and 2015, respectively.

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- Definition The entire disclosure for investments accounted for under the cost-method. The carrying amount of such investments may be adjusted, for example, distributions in excess of cost (return of capital) or for other-than-temporary impairments. The cost method and lower-of-cost or market, an adaptation of the cost method, is generally followed for most investments in noncontrolled corporations, in some corporate joint ventures, and to a lesser extent in unconsolidated subsidiaries in which the entity does not have the ability to exercise significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596 + Details
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