Fair Value Measurements (Summary Of Changes In The Fair Value Of The Company's Level 3 Financial Asset And Liabilities) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Balance at beginning of period	$ 5,644,626
Liabilities, Settlements
Liabilities, Revaluation	(2,139,718)
Liabilities, Balance at end of period	3,504,908
Warrants Issued December 29, 2008 [Member]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Balance at beginning of period	16,863
Liabilities, Settlements
Liabilities, Revaluation	(16,863)
Liabilities, Balance at end of period
Warrants Issued May 10, 2012 [Member]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Balance at beginning of period	1,915,753
Liabilities, Settlements
Liabilities, Revaluation	(708,349)
Liabilities, Balance at end of period	1,207,404
Warrants Issued August 2013 [Member]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Balance at beginning of period	3,712,010
Liabilities, Settlements
Liabilities, Revaluation	(1,414,506)
Liabilities, Balance at end of period	$ 2,297,504