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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Warrant Expiration On October 22, 2017, warrants to purchase 111,119 shares of the Company's common stock issued in connection with the October 2012 common stock private placement expired unexercised. Warrant Exercises Subsequent to September 30, 2017, warrants issued in conjunction with the July 2017 underwritten public offering were exercised for $3,648,200, resulting in the issuance of 3,648.2 shares of convertible preferred stock. Additionally, 3,588.2 shares of convertible preferred stock were converted into 11,072,122 shares of common stock.