Preferred Stock - Series F Preferred Stock Transactions (Details) - USD ($)		12 Months Ended
	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Oct. 06, 2023	Mar. 30, 2023	Dec. 31, 2021
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		1,930	1,930
Preferred stock dividends		$ 343,000	$ 0
Weighted average conversion price (in dollars per share)				$ 0.2792
Common Stock
Class of Stock [Line Items]
Conversions of Series F Preferred Stock (in shares)		14,102,477
Shares issued in conversion (in shares)		14,102,477
Series F Preferred Stock
Class of Stock [Line Items]
Number of shares issued (in shares)	6,550
Preferred stock, shares outstanding (in shares)		1,930	0
Accrued Dividends	$ 0	$ 136,000
Preferred stock dividends		343,000
Converted preferred stock, accrued dividends		$ (207,000)
Weighted average conversion price (in dollars per share)		$ 0.34			$ 1.71
Series F Preferred Stock | Preferred Stock
Class of Stock [Line Items]
Number of shares issued (in shares)		6,550
Conversions of Series F Preferred Stock (in shares)		(4,620)
Preferred stock, shares outstanding (in shares)		1,930	0			0