Warrants and Options - Summary of Warrants Issued to Purchase Common Stock (Detail) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Class Of Warrant Or Right [Line Items]
Exercised during the period	(75,000)	(482,647)
Outstanding	266,957		341,957
March 2023 Pre-Funded Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2023-03
Term	perpetual
Exercise Price Per Share	$ 0
Exercised during the period	(75,000)	(425,834)
Outstanding	0		75,000
December 2022 Service and Performance Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2022-12
Term	5 years
Exercise Price Per Share	$ 11.2
Exercised during the period	0	0
Outstanding	1,000		1,000
October 2022 Service and Performance Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2022-10
Term	5 years
Exercise Price Per Share	$ 16
Exercised during the period	0	0
Outstanding	1,000		1,000
August 2022 Pre-Funded Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2022-08
Term	perpetual
Exercise Price Per Share	$ 0
Exercised during the period	(0)	(56,813)
Outstanding	0		0
January 2021 Placement Agent Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2021-01
Term	5 years 6 months
Exercise Price Per Share	$ 159.60
Exercised during the period	0	0
Outstanding	9,846		9,846
December 2020 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-12
Term	5 years 6 months
Exercise Price Per Share	$ 9
Exercised during the period	0	0
Outstanding	16,367		16,367
December 2020 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-12
Term	5 years 6 months
Exercise Price Per Share	$ 120.00
Exercised during the period	0	0
Outstanding	49,100		49,100
December 2020 Placement Agent Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-12
Term	5 years
Exercise Price Per Share	$ 152.80
Exercised during the period	0	0
Outstanding	3,274		3,274
July 2020 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-07
Term	5 years 6 months
Exercise Price Per Share	$ 9.00
Exercised during the period	0	0
Outstanding	16,036		16,036
July 2020 Placement Agent Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-07
Term	5 years 6 months
Exercise Price Per Share	$ 198.80
Exercised during the period	0	0
Outstanding	802		802
May 2020 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-05
Term	5 years
Exercise Price Per Share	$ 9
Exercised during the period	0	0
Outstanding	9,946		9,946
May 2020 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-05
Term	5 years
Exercise Price Per Share	$ 191.20
Exercised during the period	0	0
Outstanding	24,863		24,863
May 2020 Placement Agent Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2020-05
Term	5 years
Exercise Price Per Share	$ 245.20
Exercised during the period	0	0
Outstanding	1,741		1,741
September 2019 Placement Agent Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2019-09
Term	5 years
Exercise Price Per Share	$ 379.20
Exercised during the period	0	0
Outstanding	1,649		1,649
June 2019 Placement Agent Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2019-06
Term	5 years
Exercise Price Per Share	$ 251.60
Exercised during the period	0	0
Outstanding	1,862		1,862
April 2019 Service and Performance Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2019-04
Term	5 years
Exercise Price Per Share	$ 247.20
Exercised during the period	0	0
Outstanding	3,629		3,629
January 2021 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2021-01
Term	5 years 6 months
Exercise Price Per Share	$ 125.2
Exercised during the period	0	0
Outstanding	90,629		90,629
January 2021 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2021-01
Term	5 years 6 months
Exercise Price Per Share	$ 9
Exercised during the period	0	0
Outstanding	7,831		7,831
September 2019 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2019-09
Term	5 years 6 months
Exercise Price Per Share	$ 300.8
Exercised during the period	0	0
Outstanding	6,594		6,594
September 2019 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2019-09
Term	5 years 6 months
Exercise Price Per Share	$ 9
Exercised during the period	0	0
Outstanding	9,892		9,892
June 2019 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Issuance Date	2019-06
Term	5 years 6 months
Exercise Price Per Share	$ 200
Exercised during the period	0	0
Outstanding	10,896		10,896