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NATURE OF OPERATIONS AND BASIS OF PRESENTATION (Details 2) (USD $)
In Millions, except Share data, unless otherwise specified
 0 Months Ended 9 Months Ended 150 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended
Aug. 24, 2012
Sep. 30, 2012
Jan. 31, 2009
Dec. 31, 2011
Dec. 31, 2010
Aug. 24, 2012
Subsequent event
Jan. 02, 2013
Subsequent event
Sep. 11, 2012
Minimum
Sep. 11, 2012
Minimum
Subsequent event
Aug. 10, 2012
Sinclair
Minimum
Aug. 10, 2012
Sinclair
Minimum
Subsequent event
Dec. 31, 2012
Tang Capital Partners, LP
Subsequent event
Dec. 14, 2012
Aspire Capital Fund, LLC
Subsequent event
Dec. 14, 2012
Aspire Capital Fund, LLC
Maximum
Subsequent event
Recent developments                            
Reverse stock split 1-for-7         1-for-7                
Reverse stock split conversion ratio 0.143         0.143                
Closing bid price of common stock evidenced by the entity to regain compliance (in dollars per share)               $ 1.00 $ 1.00          
Period from NASDAQ Staff's notification, during which the closing bid price of the common stock must equal to or exceed the specified closing bid price to regain compliance               10 days 10 days          
Quarterly installments receivable under royalty arrangement                   $ 1.0 $ 1.0      
Period of royalty arrangement                   3 years 3 years      
Stock issued for non-cash consideration                       631,561 74,548  
Preferred stock received in exchange for common stock issued                       351,990    
Preferred stock, shares outstanding   1,213,142   1,213,142 1,213,142   861,152              
Common stock purchase agreement, shares issued                         158,982  
Common stock purchase agreement, cash received                         1.0  
Shares committed to purchase                         1,454,787  
Period of common stock purchase agreement                         2 years  
Common stock purchase agreement, purchase commitment                           $ 19.0
Preferred stock dividend                            
Dividend rate (as a percent)   6.00% 6.00%