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The Company and Summary of Significant Accounting Policies and Estimates (Details 4)
12 Months Ended
Dec. 31, 2015
item
Concentration of Credit Risk and Significant Customers  
Term of credit from the invoice date 30 days
Revenue Recognition  
Number of sources of revenue 2
Minimum  
The Company and Summary of Significant Accounting Policies and Estimates  
Estimated useful life of intangible assets 1 year
Maximum  
The Company and Summary of Significant Accounting Policies and Estimates  
Estimated useful life of intangible assets 7 years
Subscription and support services | Minimum  
Revenue Recognition  
Term over which revenue is recognized 3 months
Subscription and support services | Maximum  
Revenue Recognition  
Term over which revenue is recognized 36 months
Enablement services | Minimum  
Revenue Recognition  
Term of services 1 day
Enablement services | Maximum  
Revenue Recognition  
Term of services 10 days
Implementation services  
Revenue Recognition  
Term over which revenue is recognized 120 days