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Segment, Customer Concentration and Geographical Information (Details 1) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Company revenue in different geographic locations |  |  |  |  |  |  |  |  |  |  |
Total Revenues | $ 12,032 | $ 11,012 | $ 10,171 | $ 10,114 | $ 11,239 | $ 12,632 | $ 16,105 | $ 17,791 | $ 43,329 | $ 57,767 | $ 130,501
Americas [Member] |  |  |  |  |  |  |  |  |  |  |
Company revenue in different geographic locations |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers attributed to the entity's country of domicile. |  |  |  |  |  |  |  |  | 37,724 | 51,784 | 121,495
EMEA [Member] |  |  |  |  |  |  |  |  |  |  |
Company revenue in different geographic locations |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers attributed to all foreign countries |  |  |  |  |  |  |  |  | 2,734 | 3,171 | 7,117
Asia Pacific [Member] |  |  |  |  |  |  |  |  |  |  |
Company revenue in different geographic locations |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers attributed to all foreign countries |  |  |  |  |  |  |  |  | $ 2,871 | $ 2,812 | $ 1,889

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- Definition Revenues from external customers attributed to the entity's country of domicile. + 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 (a) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues. + 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 (a) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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