Fair Value Measurements (Schedule Of Valuations Of Investments And Financial Instruments) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Embedded derivatives		$ (9,245,000)
Total derivative liabilities		(9,245,000)
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Embedded derivatives		(9,245,000)
Total derivative liabilities		(9,245,000)
Amount of increase or decrease in liability based on stock volatilty	$ 500,000
Fair Value, Inputs, Level 3 [Member] | Oil And Gas Commodity Derivatives [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatilty rate, increase or decrease	5.00%