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Unaudited Condensed Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) - Series G redeemable convertible preferred stock $ in Thousands | 3 Months Ended
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Mar. 31, 2019 USD ($) $ / shares
Sale of temporary equity, price per share (in dollars per share) | $ / shares | $ 0.078
Issuance costs | $ | $ 96

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- Definition Temporary Equity, Issuance Costs + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |