Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity/(Deficit) (Parenthetical)

v3.10.0.1
Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity/(Deficit) (Parenthetical)
$ in Millions
12 Months Ended
Dec. 31, 2017
USD ($)
Statement Of Stockholders Equity [Abstract]  
Underwriting commissions and discounts $ 3.0