CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Preferred stock, par value $ 0.001 $ 0.001 $ 0.001
Preferred stock, authorized 15,000,000 14,880,000 14,880,000
Preferred stock, shares issued   0 0
Preferred stock, shares outstanding   0 0
Common stock, par value $ 0.001 $ 0.001 $ 0.001
Common stock, authorized 100,000,000 100,000,000 100,000,000
Common stock, shares issued 21,134,744 7,667,667 7,667,667
Common stock, shares outstanding 20,741,572 7,667,667 7,667,667
Series D Convertible Preferred Stock
      
Preferred stock, par value   $ 0.001 $ 0.001
Preferred stock, authorized   100,000 100,000
Preferred stock, shares issued   0 0
Preferred stock, shares outstanding   0 0
Series A Junior Participating Preferred Stock
      
Preferred stock, par value   $ 0.001 $ 0.001
Preferred stock, authorized   20,000 20,000
Preferred stock, shares issued   0 0
Preferred stock, shares outstanding   0 0
Series B Convertible Preferred Stock
      
Preferred stock, par value $ 0.001 $ 0.001 $ 0.001
Preferred stock, authorized 15,000,000 15,000,000 15,000,000
Preferred stock, shares issued 14,999,000 14,999,000 14,999,000
Preferred stock, shares outstanding 14,999,000 14,999,000 14,999,000