LIQUIDITY (Details) (USD $)	1 Months Ended	3 Months Ended				1 Months Ended	0 Months Ended	1 Months Ended		1 Months Ended			1 Months Ended
	Apr. 30, 2013	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Rights offering item	Mar. 05, 2013 RCF Short term financing	Dec. 31, 2012 RCF Short term financing	Mar. 31, 2013 RCF Rights offering	Mar. 31, 2013 RCF Rights offering Short term financing	Mar. 31, 2013 BTIG, LLC ATM Sales Agreement	Dec. 31, 2011 BTIG, LLC Maximum ATM Sales Agreement	Apr. 30, 2013 Lexon	Feb. 28, 2013 Lexon
LIQUIDITY
Negative cash flow from operations		$ 3,564,277	$ 2,539,454
Cash	7,900,000	4,350,219	9,907,372	4,664,596	2,890,263
Amount paid for certain expenditures that are annual or quarterly in nature or are non-recurring costs	840,000
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
Net proceeds from sale of shares of common stock in cash						3,600,000
Short term financing repaid										5,000,000
Number of shares of common stock issued upon conversion							1,960,000			1,960,000
Ownership percentage									32.80%
Restricted cash		9,497,497		9,491,865									3,600,000	9,300,000
Amount of the bonds written by the insurer								5,000,000						9,000,000
Required collateral as a percentage of bond amount (as a percent)														40.00%
Increase in cash													5,400,000
Aggregate offering price of the shares of common stock available to be sold under ATM Sales Agreement											$ 9,000,000	$ 15,000,000