Organization and summary of significant accounting policies - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Numerator:
Net loss	$ (26,877)	$ (95,402)		$ (35,853)		$ (29,855)
Denominator:
Weighted-average shares of common stock outstanding, basic and diluted	8,428,153
Net loss per common share, basic and diluted	$ (3.19)	$ (2.76)	[1]	$ (3.19)	[1]

[1] The net loss attributable to common stockholders and related per share amounts for the year ended December 31, 2020 are based on the period from July 10, 2020 to December 31, 2020, the period where the Company had outstanding common stock (see Note 1).