SUBSEQUENT EVENT (Details) (USD $)	12 Months Ended		0 Months Ended	12 Months Ended				0 Months Ended			1 Months Ended		0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Nov. 13, 2013 Loan Agreement RCF Tranche one	Dec. 31, 2012 ATM Sales Agreement BTIG, LLC	Feb. 01, 2014 ATM Sales Agreement BTIG, LLC Maximum	Oct. 31, 2011 ATM Sales Agreement BTIG, LLC Maximum	Oct. 28, 2011 ATM Sales Agreement BTIG, LLC Maximum	Jan. 29, 2014 Subsequent event Loan Agreement RCF	Feb. 04, 2014 Subsequent event Loan Agreement RCF Tranche one	Jan. 31, 2014 Subsequent event ATM Sales Agreement BTIG, LLC	Jan. 31, 2014 Subsequent event ATM Sales Agreement BTIG, LLC	Feb. 01, 2014 Subsequent event ATM Sales Agreement BTIG, LLC	Feb. 12, 2014 Subsequent event Registered direct offering
Subsequent event
Sale of common stock in a registered direct offering	$ 3,599,432	$ 20,264,692											$ 10,300,000
Shares of common stock sold				970,000				7,500,000		523,350	523,350		3,960,000
Price per share (in dollars per share)													$ 2.60
Net proceeds from sale of shares of common stock	3,599,432	20,264,692		5,400,000						1,900,000	1,900,000		9,472,320
Borrowings under agreement			3,000,000						2,000,000
Aggregate offering price of the shares of common stock available to be sold under ATM Sales Agreement					$ 15,000,000	$ 15,000,000	$ 15,000,000					$ 7,100,000