COMMON STOCK (Details) (USD $)	12 Months Ended				1 Months Ended		3 Months Ended	12 Months Ended				1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Warrant One	Feb. 29, 2012 Public offering	Dec. 31, 2011 Private placement	Dec. 31, 2011 Common Stock	Dec. 31, 2013 Common Stock	Dec. 31, 2012 Common Stock	Dec. 31, 2011 Common Stock	Dec. 31, 2010 Common Stock	Feb. 29, 2012 Common Stock Public offering	Dec. 31, 2012 Common Stock Public offering	Dec. 31, 2011 Common Stock Private placement	Dec. 31, 2011 Common Stock Private placement	Dec. 31, 2010 Common Stock Private placement
Common stock, number of shares, par value and other disclosures
Common stock, authorized	200,000,000	200,000,000
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, issued	78,773,736	65,881,122
Common stock, outstanding	78,773,736	65,881,122
Common stock disclosures
Issuance of common stock upon exercise of stock options (in shares)								588,884	755,020	143,731
Proceeds from excercise of stock options (in dollars)	$ 455,550	$ 112,000	$ 10,000
Issuance of common stock upon exercise of warrants (in shares)							734,329	12,224,846	1,779,716	734,329
Proceeds from warrant exercises	15,952,000		988,000	1,129,000
Warrants to purchase through cashless exercise provisions (in shares)				1,865,670				627,036
Warrants to purchase exercise through cash (in shares)				852,946				11,813,334
Issuance of common stock to 401(k) plan (in shares)								78,884	47,105	39,848
Issuance of common stock to 401(k) plan (in dollars)	191,802	91,524	41,662					1		1
Issuance of stock (in shares)											1,095,258	9,523,810	9,523,810	980,392	980,392	12,995,403
Equity issuance, price per share												$ 2.10
Gross proceeds from issuance of stock (in dollars)					20,000,000
Proceeds from public offering					18,155,000
Proceeds from private placement						2,000,000
Issuance of stock for services (in shares)									15,000	215,000
Issuance of stock for services (in dollars)		$ 24,750	$ 209,450							$ 2
Warrants for purchase of common stock (in shares)														343,137	343,137
Exercise price (in dollars per share)														3.06	3.06
Tenure of warrant														5 years	5 years