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Business Segments, Concentration of Credit Risk and Significant Customers (Tables) | 12 Months Ended
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Dec. 31, 2012
Business Segments, Concentration of Credit Risk and Significant Customers |
Schedule of revenue from customers in North America, Asia and Europe | The Company recognized revenue from licensing of its technologies to customers in North America, Asia and Europe as follows (in thousands):
|  | Years Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
United States |  | $ | 2,511 |  | $ | 5,476 |  | $ | 5,886 |
Taiwan |  |  | 1,700 |  |  | 3,197 |  |  | 2,888 |
Japan |  |  | 1,571 |  |  | 4,700 |  |  | 6,661 |
Europe |  |  | 86 |  |  | 727 |  |  | — |
Rest of Asia |  |  | 214 |  |  | 7 |  |  | 128 |
Total |  | $ | 6,082 |  | $ | 14,107 |  | $ | 15,563 |
Schedule of customers who accounted for at least 10% of total revenues |
|  | Years Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
Customer A |  |  | 28 | % |  | 23 | % |  | 18 | %
Customer B |  |  | 26 | % |  | 12 | % |  | * |
Customer C |  |  | 12 | % |  | 17 | % |  | 23 | %
Customer D |  |  | * |  |  | * |  |  | 15 | %
* Represents percentages less than 10%.
Schedule of net property and equipment, classified by major geographic areas | Net property and equipment, classified by major geographic areas, was as follows at December 31, 2012 and 2011 (in thousands):
|  | December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |
|  | (in thousands) |
U.S. |  | $ | 1,114 |  | $ | 1,216 |
Non-U.S. |  |  | 124 |  |  | 166 |
Total |  | $ | 1,238 |  | $ | 1,382 |

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- Definition Tabular disclosure of material long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets are located, and amount of such long-lived assets located in that country or foreign geographic area. + References No definition available. + Details
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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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