FAIR VALUE OF FINANCIAL INSTRUMENTS - Liabilities measured at fair value on recurring basis (Details) (Fair value on a recurring basis, USD $)	Sep. 30, 2013	Dec. 31, 2012
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability related to fair value of beneficial conversion feature
Derivative liability related to fair value of warrants
Total
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability related to fair value of beneficial conversion feature	1,500,000
Derivative liability related to fair value of warrants
Total	1,500,000
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability related to fair value of warrants	8,500,000	2,400,000
Total	8,500,000	2,400,000
Total
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability related to fair value of beneficial conversion feature	1,500,000
Derivative liability related to fair value of warrants	8,500,000	2,400,000
Total	$ 10,000,000	$ 2,400,000