Net Loss Per Share - Summary of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net loss	$ (10,674)	$ (5,613)	$ (18,586)	$ (11,150)
Weighted-average common shares outstanding, basic and diluted	1,387,973	908,564	1,303,899	842,643
Net loss per share, basic and diluted	$ (7.69)	$ (6.18)	$ (14.25)	$ (13.23)