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Organization and Summary of Significant Accounting Policies (Concentration of Credit and Investment Risk) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
customer
Dec. 31, 2011
customer
Accounting Policies [Abstract]      
Number of customers that individually accounted for more than ten percent of accounts receivable   0 0
Amount of significant credit losses experienced on customer accounts $ 0 $ 0 $ 0
Concentration Risk, Percentage 10.00%