Fair Value Measurements (Schedule Of Financial Liabilities Carried At Fair Value) (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	$ 15,510,000	$ 5,907,000
Convertible loan embedded derivative	151,000		0
Level 1 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	0	0
Level 2 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	0	0
Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	15,510,000	5,907,000
Series C Preferred Embedded Derivative [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	10,297,000	3,761,000
Series C Preferred Embedded Derivative [Member] | Level 1 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	0	0
Series C Preferred Embedded Derivative [Member] | Level 2 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	0	0
Series C Preferred Embedded Derivative [Member] | Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	10,297,000	3,761,000
Warrant derivative [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	5,213,000	2,146,000
Warrant derivative [Member] | Level 1 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	0	0
Warrant derivative [Member] | Level 2 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	0	0
Warrant derivative [Member] | Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Financial Instruments Liabilities, Fair Value	$ 5,213,000	$ 2,146,000