Geographic Information and Major Customer Data (Details Textual)	9 Months Ended
Sep. 30, 2012 Segment
Geographic Information and Major Customer Data (Textual) [Abstract]
Number of reportable segment	1
Percentage of total revenues in each period	10.00%
Determination of major customer minimum percentage	Minimum 10%

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration