Net Loss per Share - Schedule of Weighted-Average Common Shares Outstanding (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Class of Stock [Line Items]
Weighted-average common shares outstanding used to calculate basic shares	11,436,748	9,417,705	10,443,186	8,045,513
Weighted-average common shares outstanding used to calculate diluted shares	11,436,748	9,417,705	10,443,186	8,045,513
Common Stock [Member]
Class of Stock [Line Items]
Weighted-average common shares outstanding used to calculate basic shares	10,287,620	8,136,740	9,206,650	7,156,344
Weighted-average common shares outstanding used to calculate diluted shares	10,287,620	8,136,740	9,206,650	7,156,344
March 2022 Pre-funded Warrants [Member]
Class of Stock [Line Items]
Weighted-average common shares outstanding used to calculate basic shares	1,122,819	1,280,965	1,227,670	889,169
Weighted-average common shares outstanding used to calculate diluted shares	1,122,819	1,280,965	1,227,670	889,169
May 2023 Tranche A Pre-funded Exchange Warrants [Member]
Class of Stock [Line Items]
Weighted-average common shares outstanding used to calculate basic shares	26,309		8,866
Weighted-average common shares outstanding used to calculate diluted shares	26,309		8,866