Net Loss Per Share - Schedule of Loss and Weighted Average Number of Shares Used in Computing Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net loss	$ (36,065)	$ (66,727)
Denominator:
Weighted average number of shares of common stock used in computing net loss per share, basic	2,166,311	1,749,071
Weighted average number of shares of common stock used in computing net loss per share, diluted	2,166,311	1,749,071
Net loss per share, basic	$ (16.65)	$ (38.15)
Net loss per share, diluted	$ (16.65)	$ (38.15)