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Note 7 - Customer and Geographic Information (Tables) | 3 Months Ended
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Mar. 31, 2015
Segment Reporting [Abstract] |
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] |
|  | Three Months Ended March 31, |
Customer |  | 2015 |  |  | 2014 |
A |  |  | 44 | % |  |  | 45 | %
B |  |  | 28 | % |  |  | 13 | %
C |  |  | 11 | % |  |  | 19 | %
Schedule of Receivables by Major Customers [Table Text Block] |
Customer |  | March 31, 2015 |  |  | December 31, 2014 |
A |  |  | 40 | % |  |  | 51 | %
C |  |  | 27 | % |  |  | 21 | %
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] |
|  | Three Months Ended March 3 1, |
|  | 201 5 |  |  | 201 4 |
|  | Revenues |  |  | Percentage of Revenues |  |  | Revenues |  |  | Percentage of Revenues |
United States |  | $ | 10,315 |  |  |  | 38 | % |  | $ | 11,399 |  |  |  | 42 | %
Germany |  |  | 6,264 |  |  |  | 24 |  |  |  | 9,100 |  |  |  | 34 |
South Korea |  |  | 6,918 |  |  |  | 26 |  |  |  | 2,260 |  |  |  | 8 |
Rest of the world |  |  | 3,320 |  |  |  | 12 |  |  |  | 4,327 |  |  |  | 16 |
Total revenue |  | $ | 26,817 |  |  |  | 100 | % |  | $ | 27,086 |  |  |  | 100 | %
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] |
|  | March 3 1, 201 5 |  |  | December 31, 201 4 |
United States |  | $ | 9,319 |  |  | $ | 8,240 |
Rest of the world |  |  | 576 |  |  |  | 592 |
Total long-lived assets, net |  | $ | 9,895 |  |  | $ | 8,832 |

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- Definition Tabular disclosure of the percentage of receivables from each customer individually making up more than 10 percent of the company's gross accounts receivable. + References No definition available. + Details
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- Definition Tabular disclosure of the names of foreign countries in which 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 + 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 No definition available. + Details
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- Definition Tabular disclosure of the names of foreign 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 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 FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 + Details
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