The Company and Summary of Significant Accounting Policies (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Cash and cash equivalents $ 14,311,000 $ 12,921,000 $ 12,634,000
Advertising expense 29,000 181,000  
Deferred rent balance 179,000 229,000  
Amortization of deferred rent expense 50,000 50,000  
Google [Member]
     
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Concentration risk percentage 30.00% 33.00%  
HomeGain, Inc., [Member]
     
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Concentration risk percentage 8.00% 10.00%  
Commission Junction [Member]
     
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Concentration risk percentage 7.00% 12.00%  
Money Market Funds [Member]
     
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Cash and cash equivalents 11,349,000 7,957,000  
California [Member]
     
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Concentration risk percentage 42.00% 42.00%  
Software [Member]
     
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Capitalized costs related to internal-use software 1,853,000 1,304,000  
Property and equipment, useful life 24 months    
Amortization expense 1,348,000 1,156,000  
Unamortized amount $ 1,881,000 $ 1,329,000