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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Convertible preferred stock, par valuer (in dollars per share) $ 0.001 $ 0.001
Convertible preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Convertible preferred stock, shares issued (in shares) 0 0
Convertible preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 95,000,000 95,000,000
Common stock, shares issued (in shares) 0 28,288,464
Common stock, shares outstanding (in shares) 0 28,288,464