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, 2013
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Balance at beginning of period	$ 1,736
Assets, Revaluation	(1,736)
Liabilities, Balance at beginning of period	2,968,348
Liabilities, Issues	19,358,108
Liabilities, Settlements	(42,144,409)
Liabilities, Revaluations	24,773,541
Liabilities, Balance at end of period	4,955,588
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	71,581
Liabilities, Revaluations	185,069
Liabilities, Balance at end of period	256,650
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	2,347,902
Liabilities, Settlements	(18,780,167)
Liabilities, Revaluations	18,023,674
Liabilities, Balance at end of period	1,591,409
Warrants Issued August 2013 [Member]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Issues	19,358,108
Liabilities, Settlements	(10,535,592)
Liabilities, Revaluations	(5,714,987)
Liabilities, Balance at end of period	3,107,529
Derivative Liability [Member]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Balance at beginning of period	548,865
Liabilities, Settlements	(12,828,650)
Liabilities, Revaluations	12,279,785
Derivative Asset [Member]
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Balance at beginning of period	1,736
Assets, Revaluation	$ (1,736)