Segment Disclosure (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
Revenue Information by Geography [Abstract]
Revenues	$ 29,064	[1]	$ 43,827	[1]	$ 110,219	[1]	$ 115,952	[1]
Americas [Member]
Revenue Information by Geography [Abstract]
Revenues	6,322		19,038		31,098		46,494
EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues	18,723		20,704		68,203		58,730
APJ [Member]
Revenue Information by Geography [Abstract]
Revenues	$ 4,019		$ 4,085		$ 10,918		$ 10,728

[1] Includes related party amounts of $1,768 and $2,001 for the three months ended September 30, 2012 and 2011, respectively, and $3,527 and $4,969 for the nine months ended September 30, 2012 and 2011, respectively. See Note 11 for additional information on related par