Warrants - Additional Information (Details) - USD ($)								3 Months Ended				6 Months Ended
	May 17, 2023	May 15, 2023	Feb. 28, 2023	Mar. 22, 2022	Mar. 22, 2022	Jan. 28, 2022	Sep. 13, 2021	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 15, 2022
Class of Warrant or Right [Line Items]
Number of securities called by warrants or rights (in shares)						657,402
Warrants exercised (in shares)						184,153
Assumptions, fair value of existing warrants per share (in usd per share)						$ 12.00
Warrants forfeited (in shares)				394,000
Warrants outstanding (in shares)								0				0		232,675
Preferred stock, shares authorized (in shares)								5,000,000		5,000,000		5,000,000
Preferred stock, par value (in usd per share)								$ 0.001		$ 0.001		$ 0.001
Common shares issued for extinguishment of debt (in shares)									1,547,234
Net proceeds from the issuance of warrants												$ 1,409,000	$ 0
Fair value adjustment of warrants												71,000	0
Series 7 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Series 7 Preferred redeemed for cash (in shares)				49,250
Preferred shares redeemed, cash consideration				$ 49,300,000
Net proceeds from issuance of preferred stock							$ 50,600,000
Series 8 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Series 7 Preferred redeemed for cash (in shares)										53,197.72
Preferred shares redeemed, cash consideration										$ 53,200,000
Warrants forfeited (in shares)										751,841
Preferred stock, shares authorized (in shares)				53,197.7234	53,197.7234
Net proceeds from issuance of preferred stock					$ 46,900,000
Existing Warrants
Class of Warrant or Right [Line Items]
Number of securities called by warrants or rights (in shares)						52,513
February 2023 Warrant Amendment
Class of Warrant or Right [Line Items]
Common stock issued in direct offering (in shares)			324,918
Exercisable warrants per common share (in shares)			0.33
Warrants not settleable in cash, fair value disclosure			$ 600,000
September 2021 Warrants
Class of Warrant or Right [Line Items]
Common stock issued in direct offering (in shares)			76,794						324,918
Common shares issued for extinguishment of debt (in shares)			232,675
March 2022 Warrants
Class of Warrant or Right [Line Items]
Common stock issued in direct offering (in shares)			248,124						324,918
Common shares issued for extinguishment of debt (in shares)			751,867
May 2023 Issuance
Class of Warrant or Right [Line Items]
Warrants to purchase shares of common stock after adjustment (in shares)		150,000,000
Registered Direct Offering | Series 7 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Subscription price (in usd per share)							$ 920
Original issuance discount percentage							8.00%
Aggregate subscription value							$ 54,100,000
Registered Direct Offering | Series 8 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Preferred stock, shares authorized (in shares)				53,197.7234	53,197.7234
Preferred stock, par value (in usd per share)				$ 0.001	$ 0.001
Number of shares sold under offering (in shares)					1,503,726
Subscription price (in usd per share)				$ 940	$ 940
Original issuance discount percentage				6.00%	6.00%
Aggregate subscription value				$ 50,000,000	$ 50,000,000
Registered Direct Offering | Pre-Funded Warrants
Class of Warrant or Right [Line Items]
Common stock issued in direct offering (in shares)									1,380,000
Warrant Purchase Agreement | May 2023 Issuance
Class of Warrant or Right [Line Items]
Exercise price of warrants (in usd per share)		$ 1
Percent of lowest VWAP of common stock (as a percent)		90.00%
Minimum percent higher than prior trading day (as a percent)		10.00%
Maximum percentage ownership of purchaser (as a percent)		9.99%
Warrant Purchase Agreement | May 2023 Issuance | Common Stock
Class of Warrant or Right [Line Items]
Redemption period of trading days		5 days
Warrants | Series 7 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Percent of warrants forfeited upon redemption														75.00%
Warrants | Series 8 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Percent of warrants forfeited upon redemption				50.00%	50.00%
Warrants | Registered Direct Offering
Class of Warrant or Right [Line Items]
Exercise price of warrants (in usd per share)									$ 0.001
Warrants | Registered Direct Offering | Series 7 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Number of shares sold under offering (in shares)							626,667
Warrants | Registered Direct Offering | Pre-Funded Warrants
Class of Warrant or Right [Line Items]
Warrants exercised for common shares (in shares)									1,380,000
Warrants | Warrant Purchase Agreement | May 2023 Issuance
Class of Warrant or Right [Line Items]
Exercise price of warrants (in usd per share)		$ 0.01
Exercisable warrants per common share (in shares)		1
Warrants to purchase shares of common stock after adjustment (in shares)	150,000,000
Warrant and rights outstanding, term		1 year
Net proceeds from the issuance of warrants	$ 1,500,000											1,500,000
Proceeds from the issuance of warrants	$ 1,400,000
Net proceeds from issuance of preferred stock												1,480,000
Fair value adjustment of warrants		$ 71,250						$ 71,250				$ 71,250
Interest costs											$ 20,000		$ 20,000
Warrants | Warrant Purchase Agreement | May 2023 Issuance | Maximum
Class of Warrant or Right [Line Items]
Exercise price of warrants (in usd per share)		$ 0.26
Warrants | Warrant Purchase Agreement | May 2023 Issuance | Minimum
Class of Warrant or Right [Line Items]
Exercise price of warrants (in usd per share)		$ 0.10