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Revenues Based on Customer Location (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | $ 10,005 | $ 12,006 | $ 34,934 | $ 40,710
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 1,482 | 2,454 | 4,706 | 8,631
Europe and Middle East |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 3,297 | 3,345 | 10,722 | 10,435
Asia Pacific |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 5,226 | 6,207 | 19,506 | 21,644
Germany |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 1,627 | 4,424 | 5,026
China |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 4,385 | 4,380 | 15,214 | 13,674
Japan |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  |  |  | $ 4,323

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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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