Stock-Based Compensation - Summary of Stock Option Activity (Detail) - 2017 Stock Option and Grant Plan [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Outstanding at Beginning Balance	1,942,920
Number of Shares, Granted	505,911
Number of Shares, Exercised	0
Number of Shares, Forfeited	(262,300)
Number of Shares, Outstanding at Ending Balance	2,186,531	1,942,920
Number of shares, Vested and expected to vest	2,186,531
Number of Shares, Exercisable	1,132,223
Weighted- Average Exercise Price, Outstanding at Beginning Balance	$ 12.93
Weighted- Average Exercise Price, Granted	2.73
Weighted- Average Exercise Price, Exercised	0
Weighted- Average Exercise Price, Forfeited	10.77
Weighted- Average Exercise Price, Outstanding at Ending Balance	2.82	$ 12.93
Weighted- Average Exercise Price, Vested and expected to vest	2.82
Weighted- Average Exercise Price, Exercisable	$ 3
Weighted Average Remaining Contractual Term, Outstanding	7 years 9 months 21 days	8 years 3 months 29 days
Weighted Average Remaining Contractual Term, Vested and expected to vest	7 years 9 months 21 days
Weighted Average Remaining Contractual Term, Exercisable	6 years 10 months 24 days
Aggregate Intrinsic Value, Outstanding Beginning Balance	$ 12
Aggregate Intrinsic Value, Outstanding Ending Balance	1,567	$ 12
Aggregate Intrinsic Value, Vested and expected to vest	1,567
Aggregate Intrinsic Value, Exercisable	$ 841