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Convertible Preferred Stock
9 Months Ended
Sep. 30, 2014
Text Block [Abstract]  
Convertible Preferred Stock

8. Convertible Preferred Stock

As of December 31, 2013, the Company had authorized an aggregate of 29,402,200 shares of convertible preferred stock, par value $0.001 per share. Upon the closing of the Company’s IPO on February 5, 2014, all 29,186,929 shares of the Company’s convertible preferred stock that were issued and outstanding on that date were automatically converted into an aggregate of 12,554,171 shares of its common stock. As of September 30, 2014, there were no shares of convertible preferred stock authorized or outstanding.