Fair Value Measurements (Summary Of Changes In The Fair Value Of The Company's Level 3 Financial Asset And Liabilities) (Details) (USD $)	6 Months Ended
	Jun. 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	(104,987)
Liabilities, Balance at end of period	5,539,639
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	(9,542)
Liabilities, Balance at end of period	1,906,211
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	(78,582)
Liabilities, Balance at end of period	$ 3,633,428