Common Stock - Computation of Basic and Diluted Net Loss Attributable to Common Shareholders Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator
Net loss	$ (29,815)	$ (42,350)	$ (33,152)
Denominator
Shares used in computation of basic net loss per common share [note 11 [i]]	19,827,354	10,593,034	8,119,836
Net loss per common share, basic	$ (1.5)	$ (4)	$ (4.08)
Shares used in computation of Diluted net loss per common share [note 11 [i]]	19,827,354	10,593,034	8,119,836
Net loss per common share, diluted	$ (1.5)	$ (4)	$ (4.08)