FAIR VALUE MEASUREMENTS - Level 3 reconciliation of the beginning and ending balances of the fair value measurements - (Details 1) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value included in other (income) expenses	$ (847,314)	$ 185,400
Warrants | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance, December 31, 2013	1,603,514
Cancellation of derivative liability	(35,714)
Change in fair value included in other (income) expenses	(811,600)
Balance, March 31, 2014	$ 756,200