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Net Loss per Share and Unaudited Pro Forma Net Loss per Share - Unaudited Pro Forma Net Loss Per Share Attributable To Common Stockholders (Details) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($) $ / shares shares
Numerator (in millions): |
Pro forma net loss attributable to common stockholders | $ | $ (108.5)
Denominator: |
Weighted average common shares outstanding - basic and diluted | 11,085,906
Pro forma adjustment to reflect automatic conversion of convertible preferred stock into common stock upon the closing of the proposed IPO | 27,501,186
Pro forma adjustment to reflect common shares outstanding upon Settlement of Executive Promissory Notes | 619,024
Pro forma weighted average common shares outstanding - basic and diluted (unaudited) | 39,206,116
Pro forma net loss per share attributable to common stockholders - basic and diluted | $ / shares | $ (2.77)

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- Definition Pro forma adjustment to reflect automatic conversion of convertible preferred stock into common stock upon the closing of the proposed Initial Public Offering (IPO). + References No definition available. + Details
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- Definition Pro forma adjustment to reflect common shares outstanding upon settlement of executive promissory notes. + References No definition available. + Details
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- Definition The weighted average number of shares or units and dilutive common stock or unit equivalents outstanding in the calculation of proforma basic and diluted earnings per share (earnings per unit), which is commonly presented in initial public offerings based on the terms of the offering. + References No definition available. + Details
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