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SUBSEQUENT EVENTS (Details) (USD $)
0 Months Ended 1 Months Ended 15 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended
Mar. 13, 2013
Nov. 19, 2012
Jul. 29, 2011
May 31, 2011
Apr. 29, 2011
Mar. 31, 2011
Jan. 31, 2011
Dec. 30, 2010
Oct. 07, 2008
Sep. 27, 2008
Dec. 14, 2006
Oct. 05, 2006
Aug. 15, 2006
Jun. 30, 2006
Mar. 31, 2006
Jan. 26, 2006
May 31, 2005
Apr. 05, 2005
Jan. 14, 2005
Nov. 25, 2004
Mar. 16, 2004
Dec. 31, 2010
Jan. 31, 2009
Dec. 31, 2002
May 13, 2013
Placement Agent [Member]
Mar. 13, 2013
Purchasers of Previously Issued Common Stock [Member]
Dec. 31, 2012
Purchasers of Previously Issued Common Stock [Member]
Mar. 13, 2013
Convertible Preferred Stock [Member]
Mar. 13, 2013
Warrants Issued to Placement Agent, Tranche One [Member]
Placement Agent [Member]
Mar. 13, 2013
Warrants Issued to Placement Agent, Tranche Two [Member]
Placement Agent [Member]
May 13, 2013
Subsequent Event [Member]
May 14, 2013
Subsequent Event [Member]
May 13, 2013
Subsequent Event [Member]
Purchasers of Common Stock Subsequently Cancelled [Member]
May 14, 2013
Subsequent Event [Member]
Certain Holders of Convertible Preferred Stock [Member]
May 14, 2013
Subsequent Event [Member]
Certain Holders of Outstanding Warrants [Member]
May 14, 2013
Subsequent Event [Member]
Certain Holder of Previously Issued Common Stock [Member]
May 13, 2013
Subsequent Event [Member]
Convertible Preferred Stock [Member]
May 13, 2013
Subsequent Event [Member]
Warrants Issued with Preferred Stock [Member]
May 13, 2013
Subsequent Event [Member]
Warrants Issued to Placement Agent, Tranche One [Member]
Placement Agent [Member]
May 13, 2013
Subsequent Event [Member]
Warrants Issued to Placement Agent, Tranche Two [Member]
Placement Agent [Member]
Subsequent Event [Line Items]                                                                                
Number of units sold 6,300                                                           1,140.35                  
Stock issued, shares                                                       199,191                        
Issuance of common stock for cash, shares   165,057 269,680 34,200 40,000 90,768 16,320 48,000                                                                
Common stock issued, price per share   $ 7.00 $ 6.25 $ 6.25 $ 6.25 $ 6.25 $ 6.25 $ 6.25 $ 5.52 $ 5.52 $ 4.31 $ 4.31 $ 3.91 $ 3.63 $ 3.63 $ 1.47 $ 3.37 $ 1.72 $ 1.72 $ 1.72 $ 1.76 $ 6.25 $ 6.02 $ 0.001                                
Cancellation of shares, shares                                                                 162,907              
Shares convertible into                                                       1,086,178                 196,597      
Number of warrants issued                                                 39,537                              
Number of shares covered by warrants                                                                           196,597    
Exercise price of warrants                                                   5.80 6.25   5.80 6.96                 6.96 5.80
Shares covered by registration statement                                                               2,824,471   1,284,925 1,539,546 2,150