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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
	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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Sale of Temporary Equity, Price Per Share

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- Definition

Temporary Equity, Issuance Costs

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