Annual report pursuant to Section 13 and 15(d)

Investment In Marketable Securities (Schedule Of Gross Unrealised Gain\Loss) (Details)

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Investment In Marketable Securities (Schedule Of Gross Unrealised Gain\Loss) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Investment In Marketable Securities Schedule Of Gross Unrealised Gainloss Details    
Trading securities, Cost Basis $ 4,019,406us-gaap_TradingSecuritiesCost $ 3,543,711us-gaap_TradingSecuritiesCost
Trading securities, Gross Unrealized Gain 5,174,385us-gaap_TradingSecuritiesUnrealizedHoldingGain 67,841us-gaap_TradingSecuritiesUnrealizedHoldingGain
Trading securities, Gross Unrealized (Loss) (3,167,011)us-gaap_TradingSecuritiesUnrealizedHoldingLoss (1,894,116)us-gaap_TradingSecuritiesUnrealizedHoldingLoss
Trading securities, Net Unrealized Gain (Loss) 2,007,374us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities (1,826,275)us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities
Trading securities, Fair Value 6,026,780us-gaap_TradingSecurities 1,717,436us-gaap_TradingSecurities
Available-for-sale securities, Cost Basis    4,185,099us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis
Available-for-sale securities, Gross Unrealized Gain     
Available-for-sale securities, Gross Unrealized (Loss)   (1,285,009)us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss
Available-for-sale-securities, Net Unrealized Gain (Loss)   (1,285,009)us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLoss
Available-for-securities, Fair Value    $ 2,900,090us-gaap_AvailableForSaleSecuritiesCurrent