LIQUIDITY (Details) (USD $)	12 Months Ended				1 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Mar. 18, 2013 Rights offering item	Mar. 18, 2013 RCF Rights offering Short term financing	Dec. 31, 2012 BTIG, LLC ATM Sales Agreement	Dec. 31, 2011 BTIG, LLC ATM Sales Agreement	Dec. 31, 2011 BTIG, LLC Maximum ATM Sales Agreement	Oct. 31, 2011 BTIG, LLC Maximum ATM Sales Agreement
LIQUIDITY
Negative cash flow from operations	$ 18,600,651	$ 10,267,247	$ 8,809,226
Cash	4,664,596	2,890,263	15,386,472	6,092,068
LIQUIDITY
Number of subscription rights issued for each share of common stock owned or subject to a warrant					1
Number of shares of common stock entitled to be purchased for each subscription right					0.3119
Exercise price (in dollars per share)					$ 2.55
Short term financing repaid						5,000,000
Net proceeds from sale of shares of common stock	20,264,692	352,855	19,138,091		8,900,000		5,400,000	325,000
Aggregate offering price of the shares of common stock available to be sold under ATM Sales Agreement							$ 9,000,000		$ 15,000,000	$ 15,000,000
Shares of common stock sold under ATM Sales Agreement							973,000	47,700