WARRANT DERIVATIVE LIABILITY (Details) (USD $)	12 Months Ended				1 Months Ended			3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Feb. 02, 2012	Oct. 31, 2010 Warrants issued to YA Global	Sep. 30, 2010 Warrants issued to YA Global	Jul. 31, 2009 Warrants issued to YA Global	Sep. 30, 2010 Warrants issued to YA Global	Dec. 31, 2010 Warrants issued to YA Global	Jul. 02, 2009 Warrants issued to YA Global
WARRANT DERIVATIVE LIABILITY
Exercise price of warrants (in dollars per share)	$ 2.94	$ 1.26	$ 1.25	$ 3.50						$ 2.00
Cumulative effect adjustment from additional paid-in capital to warrant derivative liability							$ 1,585,000
Number of warrants exercised on cashless basis	430,000							468,611
Number of shares issued upon exercise of warrants on cashless basis					161,608
Reduction in derivative liability		1,354,000	723,000		649,000	705,000
Non-cash loss on YA Global warrants		$ 771,000	$ (279,000)						$ 771,000