Summary of Liquidated Damages (Details) - USD ($) $ in Thousands	Dec. 31, 2023		Dec. 31, 2022
Registration Rights Damages	$ 898		$ 2,002
Public Information Failure Damages	940		2,740
Accrued Interest	1,086		1,595
Balance	2,924		6,337
MDB Common Stock To Be Issued [Member]
Registration Rights Damages	15	[1]	15	[2]
Public Information Failure Damages		[1]		[2]
Accrued Interest		[1]		[2]
Balance	15	[1]	15	[2]
Series H Convertible Preferred Stock [Member]
Registration Rights Damages	565		618
Public Information Failure Damages	574		626
Accrued Interest	659		570
Balance	1,798		1,814
Convertible Debentures [Member]
Registration Rights Damages		[3]		[4]
Public Information Failure Damages	144	[3]	704	[4]
Accrued Interest	72	[3]	280	[4]
Balance	216	[3]	984	[4]
Series J Convertible Preferred Stock [Member]
Registration Rights Damages	152	[3]	932	[4]
Public Information Failure Damages	152	[3]	932	[4]
Accrued Interest	129	[3]	525	[4]
Balance	433	[3]	2,389	[4]
Series K Convertible Preferred Stock [Member]
Registration Rights Damages	166	[3]	437	[4]
Public Information Failure Damages	70	[3]	478	[4]
Accrued Interest	226	[3]	220	[4]
Balance	$ 462	[3]	$ 1,135	[4]

[1] Shares of common stock issuable to MDB Capital Group, LLC (“MDB”) (see Common Stock to be Issued in Note 21).

[2] Shares of common stock issuable to MDB.

[3] Represents previously issued and converted debt or equity securities.

[4] Represents previously issued and converted debt or equity securities.