Segment Customer Concentration and Geographical Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Company revenue in different geographic locations
Total Revenues	$ 10,171	$ 16,105	$ 20,285	$ 33,896
Americas [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to the entity's country of domicile.	8,308	14,475	16,992	30,932
Asia Pacific [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to all foreign countries	1,110	663	1,855	1,137
EMEA [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to all foreign countries	$ 753	$ 967	$ 1,438	$ 1,827