Net Loss per Share - Schedule of Basic and Diluted Net Loss per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss	$ (4,845)	$ (13,381)	$ (10,454)	$ (8,682)	$ (18,226)	$ (19,136)
Denominator:
Weighted average common shares outstanding, basic	10,847,734		10,195,608		10,800,473	10,194,474
Weighted average common shares outstanding, diluted	10,847,734		10,195,608		10,800,473	10,194,474
Net loss per share, basic	$ (0.45)		$ (1.03)		$ (1.69)	$ (1.88)
Net loss per share, diluted	$ (0.45)		$ (1.03)		$ (1.69)	$ (1.88)