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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Stockholders' deficit:  
Preferred stock, par value$ 0.01$ 0.01
Convertible Preferred stock, shares authorized1,000,0001,000,000
Preferred stock, shares issued  
Preferred stock, shares outstanding  
Common stock, par value$ 0.01$ 0.01
Common stock, shares authorized79,730,00079,730,000
Common stock, shares issued31,744,14526,785,645
Common stock, shares outstanding31,744,14526,785,645
Series A Preferred Stock
  
Stockholders' deficit:  
Convertible Preferred stock, shares authorized25,00025,000
Series D Preferred Stock
  
Stockholders' deficit:  
Convertible Preferred stock, shares authorized500,000500,000
Series E Preferred Stock
  
Stockholders' deficit:  
Convertible Preferred stock, shares authorized800800
Series F Preferred Stock
  
LIABILITIES AND STOCKHOLDERS' DEFICIT  
Redeemable convertible preferred stock, shares par value per share$ 0.01$ 0.01
Redeemable convertible preferred stock, shares authorized200,000200,000
Redeemable convertible preferred stock, shares issued12,000196,000
Redeemable convertible preferred stock, shares outstanding12,000196,000
Preferred stock, shares liquidation preference$ 300,000