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Stockholders' Equity - Additional Information (Details) - $ / shares
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Equity [Abstract]    
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares outstanding 0 0
Common stock, shares authorized 100,000,000 100,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, voting rights Holders of common stock are entitled to one vote per share  
Common stock, shares issued 27,235,785 27,150,674
Common stock, shares outstanding 27,235,785 27,150,674