Common stock - Public Offering of Common Stock (Details) - September 2021 - USD ($) $ / shares in Units, $ in Thousands	Sep. 24, 2021	Dec. 31, 2022
Common stock issued	8,771,928
Warrant to purchase shares of common stock	8,771,928
Exercise price of warrant	$ 0.001	$ 0.001
Common Stock
Common stock issued	22,828,072
Price per share (in dollars per share)	$ 2.85
Aggregate net proceeds from issuance of common stock	$ 96,828
Underwriters' exercise \| Common Stock
Common stock issued	4,740,000

Exercise price per share or per unit of warrants or rights outstanding.

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