Quarterly report pursuant to Section 13 or 15(d)

Organization And Summary Of Significant Accounting Policies (Schedule Of Gross Realized Gain/Loss) (Details)

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Organization And Summary Of Significant Accounting Policies (Schedule Of Gross Realized Gain/Loss) (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Trading Securities:        
Sale Proceeds     $ 8,176,418 $ 2,283,343
Gross Realized Losses     (122,122) (1,341,398)
Gross Realized Gains     5,941,554 1,837,696
Gain (loss) on sale of marketable securities 0 390,964 5,819,432 496,298
Available-For-Sale Securities:        
Sale Proceeds          
Gross Realized Losses          
Gross Realized Gains