The Company and Summary of Significant Accounting Policies and Estimates (Details 5) (USD $)	12 Months Ended
Dec. 31, 2011
Cost of Revenue
Classification of costs from cost of professional services revenue and other to cost of subscription and support revenue	$ 783,000
Adjustment \| Adoption of ASU 2009-13
Adoption of new accounting standard
Decrease in revenue	$ 453,000

Amount reclassified from cost of professional services to cost of subscription and support in 2011.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration