Segment, Customer Concentration and Geographical Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Company revenue in different geographic locations
Total Revenues	$ 11,012	$ 12,632	$ 31,297	$ 46,528
Americas [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to the entity's country of domicile.	9,863	11,153	26,855	42,085
Asia Pacific [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to all foreign countries	369	816	2,224	1,953
EMEA [Member]
Company revenue in different geographic locations
Revenues from external customers attributed to all foreign countries	$ 780	$ 663	$ 2,218	$ 2,490