Warrants - Additional Information (Detail) - $ / shares	Sep. 30, 2022	Dec. 31, 2021
Class Of Warrant Or Right [Line Items]
Warrants outstanding	1,015,166	2,776,191
Exercise price of warrants or rights	$ 0.66
Pre-Funded Warrants [Member]
Class Of Warrant Or Right [Line Items]
Warrants outstanding	869,566
Exercise price of warrants or rights	$ 0.0001