Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity/(Deficit) (Parenthetical) $ in Millions |
12 Months Ended |
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Dec. 31, 2017
USD ($)
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Statement Of Stockholders Equity [Abstract] | |
Underwriting commissions and discounts | $ 3.0 |
X | ||||||||||
- Definition Underwriting commissions and discounts. No definition available.
|
X | ||||||||||
- References No definition available.
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