Stockholders' Deficit - Additional Information (Detail) $ / shares in Units, $ in Millions			3 Months Ended
	Feb. 17, 2023 $ / shares shares	Mar. 31, 2021 USD ($)	Mar. 31, 2023 USD ($) Item $ / shares shares	Mar. 31, 2022 USD ($) shares	Dec. 31, 2022 $ / shares shares
Class Of Stock [Line Items]
Common stock, shares authorized			400,000,000		400,000,000
Number of shares issued/sold	9,018,519
Preferred stock, shares authorized			10,000,000		10,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.001		$ 0.001
Common stock, par value (in dollars per share) | $ / shares	$ 0.001		$ 0.001		$ 0.001
Number of voting rights per share of common stock | Item			1
Sales Agreement [Member] | Canaccord [Member]
Class Of Stock [Line Items]
Aggregate gross sales amount of common stock | $		$ 75.0
Percentage of agent service fee		3.00%
Number of shares issued/sold			653,122	70,987
Proceeds from issuance of common stock | $			$ 0.9	$ 1.4