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Business Segments and Significant Customers (Tables) | 6 Months Ended
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Jun. 30, 2013
Business Segments and Significant Customers |
Schedule of net revenue from customers in North America, Asia and Europe | The Company recognized net revenue from customers in North America, Asia and Europe as follows (in thousands):
|  | Three Months Ended June 30, |  | Six Months Ended June 30, |
|  | 2013 |  | 2012 |  | 2013 |  | 2012 |
United States |  | $ | 310 |  | $ | 1,036 |  | $ | 658 |  | $ | 1,617 |
Taiwan |  | 599 |  | 334 |  | 1,047 |  | 771 |
Japan |  | 205 |  | 299 |  | 739 |  | 693 |
Rest of Asia |  | 6 |  | — |  | 11 |  | — |
Europe |  | — |  | 67 |  | — |  | 79 |
Total net revenue |  | $ | 1,120 |  | $ | 1,736 |  | $ | 2,455 |  | $ | 3,160 |
Schedule of customers who accounted for at least 10% of total net revenues |
|  | Three Months Ended June 30, |  | Six Months Ended June 30, |
|  | 2013 |  | 2012 |  | 2013 |  | 2012 |
Customer A |  | 53 | % | 19 | % | 42 | % | 24 | %
Customer B |  | 10 | % | 35 | % | 12 | % | 31 | %
Customer C |  | * |  | 11 | % | * |  | * |
*Represents percentages less than 10%

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- Definition Tabular disclosure of the names of countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References No definition available. + Details
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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 39 + Details
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