SHAREHOLDERS' EQUITY (Details 2) (USD $)	3 Months Ended		0 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Feb. 12, 2014 Registered direct offering	Jan. 31, 2014 BTIG LLC ATM Sales Agreement	Oct. 31, 2011 BTIG LLC ATM Sales Agreement	Mar. 31, 2014 BTIG LLC ATM Sales Agreement	Oct. 31, 2011 BTIG LLC ATM Sales Agreement Maximum	Oct. 28, 2011 BTIG LLC ATM Sales Agreement Maximum
SHAREHOLDERS' EQUITY
Shares of common stock sold			3,960,000	523,350
Price per share under private placement (in dollars per share)			$ 2.60
Proceeds from sale of shares of common stock	$ 11,248,711	$ 3,633,883	$ 9,372,885	$ 1,875,826
Aggregate offering price of the shares of common stock available to be sold under ATM Sales Agreement						$ 7,100,000	$ 15,000,000	$ 15,000,000
Percentage of commission to be paid on the gross proceeds from the sale of shares under ATM Sales Agreement					3.00%