Stockholders' Equity (Deficit) - Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions								1 Months Ended				3 Months Ended	5 Months Ended	12 Months Ended
	Aug. 22, 2022	Apr. 27, 2022	Apr. 25, 2022	Apr. 04, 2022	Mar. 15, 2022	Mar. 14, 2022	Jan. 10, 2022	May 31, 2023	Jul. 31, 2022	Oct. 31, 2021	Mar. 31, 2021	Mar. 31, 2022	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 22, 2024	Dec. 03, 2023	Apr. 12, 2023	Oct. 02, 2020
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)										6,660		24,856
Stock stated value														$ 0.0001	$ 0.0001
Subsequent Event
Stockholders' Equity (Deficit)
Exercise price of warrants (in dollars per share)																	$ 1.25
Maximum
Stockholders' Equity (Deficit)
Proceeds from issuance of common stock in public offering, net of offering costs	$ 75.0
Common stock
Stockholders' Equity (Deficit)
Stock Issued During Period, Shares, Warrants Exercised														1,801,286
Conversion of stock shares converted					6,063
Conversion of convertible preferred stock (in shares)				6,063
Series B Warrants
Stockholders' Equity (Deficit)
Warrants and rights outstanding, term						5 years
Warrants
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)														3,800,000				3,800,000
Additional New Warrants
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)														1,005,560
Exercise price of warrants (in dollars per share)														$ 2.09
2020 Shelf Registration Statement
Stockholders' Equity (Deficit)
Aggregate amount of securities issuable																				$ 200.0
2022 Preferred Stock Offering
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)						606
Proceeds from issuance of common stock in public offering, net of offering costs						$ 4.1
Exercise price of warrants (in dollars per share)						$ 500.00
Conversion price						$ 400.00
Preferred Stock, convertible, shares issuable						12,125
Exercisable term						6 months
Stock stated value						$ 1,000
Duration From Offering To Anniversary Of Closing			180 days
2022 Preferred Stock Offering | Series A Warrants
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)			4,243			12,125
Exercise price of warrants (in dollars per share)						$ 520.00
Exercisable term						6 months
Warrants and rights outstanding, term						5 years
Warrant Exercisable Term			5 years
2022 Preferred Stock Offering | Series B Warrants
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)						12,125
Exercise price of warrants (in dollars per share)						$ 520.00
Exercisable term						6 months
Warrants and rights outstanding, term						1 year 6 months
At-the-market sales | Common stock
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)														207,883	253,115	3,458
Proceeds from issuance of common stock in public offering, net of offering costs																$ 9.3
At-the-market sales | Common stock | Maximum
Stockholders' Equity (Deficit)
Commission percentage		3.00%									3.00%
Authorized value for shares issuance		$ 12.8									$ 50.0
Public offering
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)								3,792,572	150,367
Common stock that can be purchased with warrants (in shares)										6,660
Share price (in dollars per share)								$ 3.9551	$ 45.00
Proceeds from issuance of common stock in public offering, net of offering costs									$ 22.0
Public offering | Common stock
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)								95,000	382,966	13,333				95,000	533,333	13,333
Common stock that can be purchased with one-half of warrant (in shares)										1
Share price (in dollars per share)										$ 1,700
Proceeds from issuance of common stock in public offering, net of offering costs								$ 6.5		$ 21.1
Public offering | Series A-1 warrants
Stockholders' Equity (Deficit)
Warrant Exercisable Term									5 years
Public offering | Pre-funded warrants
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)								1,801,286
Class of Warrant or Right, Exercisable														1,801,286
Public offering | Series B Pre-funded Warrants
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)									150,366
2022 ATM
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)													173,750	207,883	78,853
Proceeds from issuance of common stock in public offering, net of offering costs													$ 12.2	$ 1.7	$ 0.9
Eligible Amount Authorized To Sell																			$ 4.5
2022 ATM | Common stock
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)												512
Proceeds from issuance of common stock in public offering, net of offering costs												$ 0.3
2022 ATM | Common stock | Maximum
Stockholders' Equity (Deficit)
Commission percentage							3.00%
Authorized value for shares issuance							$ 50.0
2022 ATM | New Warrant [Member]
Stockholders' Equity (Deficit)
Warrant Exercisable Term			6 months
H.C. Wainwright & Co., LLC, Sales Agent [Member]
Stockholders' Equity (Deficit)
Common stock that can be purchased with warrants (in shares)								94,814	26,666
Commission percentage								7.00%	7.00%
Exercise price of warrants (in dollars per share)								$ 4.9439	$ 56.25
Series A Preferred Stock
Stockholders' Equity (Deficit)
Conversion of stock shares converted					2,425
Series A Preferred Stock | 2022 Preferred Stock Offering
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)						2,425
Exercise price of warrants (in dollars per share)			$ 520.00
Series B Preferred Stock
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)				2,425
Series B Preferred Stock | 2022 Preferred Stock Offering
Stockholders' Equity (Deficit)
Issuance of common stock (in shares)						2,425