Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v2.4.0.8
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Condensed Consolidated Balance Sheets [Abstract]    
Common stock, par value per share $ 0.001 $ 0.001
Common stock, shares authorized 500,000,000 60,952,000
Common stock, shares issued 78,497,558 21,114,783
Common stock, shares outstanding 78,497,558 21,114,783
Convertible preferred stock, par value per share $ 0.001 $ 0.001
Convertible preferred stock, shares authorized 10,000,000 33,523,600
Convertible preferred stock, shares issued 0 25,923,873
Convertible preferred stock, shares outstanding 0 25,923,873
Minimum [Member]
   
Statement [Line Items]    
Convertible preferred stock, liquidation preference per share   $ 2.85
Maximum [Member]
   
Statement [Line Items]    
Convertible preferred stock, liquidation preference per share   $ 4.11