Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS (Liabilities Measured at Fair Value Using Level 3 Significant Unobservable Inputs) (Footnote) (Details) (Details)

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FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS (Liabilities Measured at Fair Value Using Level 3 Significant Unobservable Inputs) (Footnote) (Details) (Details) - Significant Unobservable Inputs (Level 3) - USD ($)
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2013
Warrant Liabilities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Warrant and Derivative Liability at period end $ 0 $ 0 $ 3,276,000
Senior Convertible Note Derivative Liability      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Warrant and Derivative Liability at period end   $ 0 $ 5,057,000
Senior Convertible Note Derivative Liability | Other income      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Warrant and Derivative Liability at period end $ 0