Quarterly report pursuant to Section 13 or 15(d)

Investment In Marketable Securities (Schedule Of Gross Realized Gain/Loss) (Details)

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Investment In Marketable Securities (Schedule Of Gross Realized Gain/Loss) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Investment In Marketable Securities Schedule Of Gross Realized Gainloss Details    
Sale Proceeds $ 747,489us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment $ 8,176,418us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment
Gross realized (losses) (298,122)us-gaap_TradingSecuritiesRealizedLoss (122,122)us-gaap_TradingSecuritiesRealizedLoss
Gross realized gains    5,941,554us-gaap_TradingSecuritiesRealizedGain
Gain on sale of marketable securities $ (298,122)us-gaap_MarketableSecuritiesGainLoss $ 5,819,432us-gaap_MarketableSecuritiesGainLoss