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Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Summary of net revenues by geographic region |  |  |  |  |  |  |  |  |  |  |
Net revenues | $ 1,009 | $ 1,076 | $ 1,084 | $ 548 | $ 2,320 | $ 1,679 | $ 1,974 | $ 1,164 | $ 3,717 | $ 7,137 | $ 6,067
Revenues percentage, Total |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
U.S. [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of net revenues by geographic region |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 1,896 | 5,178 | 4,739
Revenues percentage, Total |  |  |  |  |  |  |  |  | 51.00% | 73.00% | 78.00%
Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of net revenues by geographic region |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 308 | 153 | 53
Revenues percentage, Total |  |  |  |  |  |  |  |  | 8.00% | 2.00% | 1.00%
Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of net revenues by geographic region |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | $ 1,513 | $ 1,806 | $ 1,275
Revenues percentage, Total |  |  |  |  |  |  |  |  | 41.00% | 25.00% | 21.00%

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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