Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Mar. 31, 2019	Dec. 31, 2018
Common stock par value	$ 0.00001	$ 0.00001
Common stock shares authorized	340,000,000	340,000,000
Common stock shares, issued	35,831,684	22,438,472
Common stock shares outstanding	35,831,684	22,438,472
Redeemable Convertible Preferred Stock
Temporary equity par value	$ 0.00001	$ 0.00001
Temporary equity shares authorized	227,328,900	227,328,900
Temporary equity shares issued	219,175,709	219,175,709
Temporary equity shares outstanding	219,175,709	219,175,709

Face amount or stated value per share of common stock.

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