Annual report pursuant to Section 13 and 15(d)

Trading Securities (Schedule Of Gross Realized Gain/Loss) (Details)

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Trading Securities (Schedule Of Gross Realized Gain/Loss) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Trading Securities Schedule Of Gross Realized Gainloss Details    
Sale Proceeds $ 3,060,675 $ 8,579,373
Gross realized (losses) $ 1,460,576 74,732
Gross realized gains 6,063,950
Gain on sale of marketable securities $ (1,460,576) $ 5,989,218