Net Loss Per Share - Summary of Basis in Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net loss	$ (35,709)	$ (28,302)
Denominator:
Weighted-average common shares outstanding	11,548,907	3,799,392
Less: Weighted-average unvested restricted shares and shares subject to repurchase	0	(9,089)
Weighted-average shares used in computing basic net loss per share	11,548,907	3,790,303
Weighted-average shares used in computing diluted net loss per share	11,548,907	3,790,303
Net loss per share attributable to common stockholders - basic	$ (3.09)	$ (7.47)
Net loss per share attributable to common stockholders - diluted	$ (3.09)	$ (7.47)