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, 2013
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Balance at beginning of period	$ 1,736	[1]
Assets, Revaluation	(1,657)
Assets, Balance at end of period	79
Liabilities, Balance at beginning of period	2,968,348	[1]
Liabilities, Settlements	(1,631)
Liabilities, Revaluations	(1,497,675)
Liabilities, Balance at end of period	1,469,042
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	[1]
Liabilities, Revaluations	(64,582)
Liabilities, Balance at end of period	6,999
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	[1]
Liabilities, Revaluations	(987,795)
Liabilities, Balance at end of period	1,360,107
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	[1]
Liabilities, Settlements	(1,631)
Liabilities, Revaluations	(445,298)
Liabilities, Balance at end of period	101,936
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	[1]
Assets, Revaluation	(1,657)
Assets, Balance at end of period	$ 79

[1] Derivative AssetTotal AssetsWarrants issued December 29, 2008Warrants issued May 2012Derivative LiabilityTotal LiabilitiesBalance at beginning of period$       1,736$       1,736$                71,581$           2,347,902$      548,865$   2,968,348 Settlements--- - (1,631)($1,631) Revaluation(1,657)(1,657)(64,582)(987,795)(445,298)(1,497,675)Balance at end of period$            79$            79$                  6,999$           1,360,107$      101,936$   1,469,042