Preferred Stock, Common Stock and Stockholders' Equity - Summary of Stock Option Activity (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options, Outstanding beginning balance	417,788
Options, Granted	78,247	140,167
Options, Outstanding ending balance	491,851	417,788
2013 Equity Incentive Award Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options, Outstanding beginning balance	417,788
Options, Granted	78,247
Options, Expired/Forfeited/Exchanged	(4,184)
Options, Outstanding ending balance	491,851	417,788
Options, Vested and expected to vest at December 31, 2022	491,851
Options, Exercisable at December 31, 2022	327,107
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Outstanding beginning balance	$ 21.60
Weighted Average Exercise Price, Granted	6.10
Weighted Average Exercise Price, Expired/Forfeited/Exchanged	20.72
Weighted Average Exercise Price, Outstanding ending balance	19.11	$ 21.60
Weighted Average Exercise Price, Vested and expected to vest at December 31, 2022	19.11
Weighted Average Exercise Price, Exercisable at December 31, 2022	$ 20.70
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term [Abstract]
Weighted Average Remaining Contractual Term (Years), Outstanding	7 years 2 months 19 days	7 years 10 months 6 days
Weighted Average Remaining Contractual Term (Years), Granted	9 years 2 months 26 days
Weighted Average Remaining Contractual Term (Years), Expired/Forfeited/Exchanged	7 years 5 months 1 day
Weighted Average Remaining Contractual Term (Years), Vested and expected to vest at December 31, 2022	7 years 2 months 19 days
Weighted Average Remaining Contractual Term (Years), Exercisable at December 31, 2022	6 years 8 months 12 days
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Aggregate Intrinsic Value [Abstract]
Aggregate Intrinsic Value, Outstanding ending balance	$ 9,440
Aggregate Intrinsic Value, Vested and expected to vest at December 31, 2022	9,440
Aggregate Intrinsic Value, Exercisable at December 31, 2022	$ 1,180