Segment, Customer Concentration and Geographical Information (Details 1) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Company revenue in different geographic locations
Total Revenues	$ 11,602	$ 10,114
Americas [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to the entity's country of domicile.	10,799	8,684
EMEA [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to all foreign countries	501	685
Asia Pacific [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to all foreign countries	$ 302	$ 745

Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration