Subsequent Event (Details Textual) (USD $) In Thousands, unless otherwise specified		1 Months Ended
Mar. 31, 2013	Apr. 30, 2013 Subsequent Event
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash received for one time license fee from Delphi for the first 7.5 installed nodes		$ 750
Hosting and support service fee to receive in five year from Delphi	$ 1,283
Number of installed nodes per loaction	0.005

Cash received from licensees for license fees during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 27

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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