Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Details)

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STOCKHOLDERS' EQUITY (Details)
 12 Months Ended
Dec. 31, 2013
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 36,782,459
Warrants Expiration Date Feb. 20, 2014
Warrant One [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 27,310 [1]
Warrants Exercise Price (in dollars per share) 0.50 [1]
Warrants Expiration Date Jul. 27, 2015 [1]
Warrant Two [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 105,040
Warrants Exercise Price (in dollars per share) 16.065
Warrants Expiration Date Jul. 27, 2015
Warrant Three [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 91,524
Warrants Expiration Date Dec. 31, 2015
Warrant Three [Member] | Minimum [Member]
  
Class of Warrant or Right [Line Items]  
Warrants Exercise Price (in dollars per share) 99.45
Warrant Three [Member] | Maximum [Member]
  
Class of Warrant or Right [Line Items]  
Warrants Exercise Price (in dollars per share) 100.98
February 2013 Public Offering Warrants [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 11,000,000 [1]
Warrants Exercise Price (in dollars per share) 0.50 [1]
Warrants Expiration Date Feb. 20, 2018 [1]
February Public Offering Two [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 5,500,000 [1],[2]
Warrants Exercise Price (in dollars per share) 0.50 [1],[2]
Warrants Expiration Date Feb. 20, 2014 [1],[2]
February Public Offering and Placement Agents [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 770,000
Warrants Exercise Price (in dollars per share) 0.625
Warrants Expiration Date Feb. 04, 2018
November Private Placement [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 1,000,000
Warrants Exercise Price (in dollars per share) 1.25
Warrants Expiration Date Nov. 02, 2017
June Public Offering [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 2,981,440
Warrants Exercise Price (in dollars per share) 1.25
Warrants Expiration Date Jun. 13, 2017
Underwritten Offering [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 9,248,334
Warrants Exercise Price (in dollars per share) 0.60
Warrants Expiration Date Dec. 06, 2016
April Private Placement [Member]
  
Class of Warrant or Right [Line Items]  
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) 6,058,811
Warrants Exercise Price (in dollars per share) 0.75
Warrants Expiration Date Mar. 31, 2016
[1] The exercise prices of these warrants are subject to adjustment for “down-rounds” and the warrants have been accounted for as derivative instruments as described in Note 3.
[2] On February 20, 2014, warrants to purchase 5,500,000 shares of common stock expired unexercised (see Note 17).