Summary of Liquidated Damages (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Registration Rights Damages		$ 1,660	$ 4,305
Public information failure damages		2,640	5,713
Accrued interest		1,069	2,187
Liquidated damages payable, current		5,369	12,205
MDB Common Stock To Be Issued [Member]
Registration Rights Damages	[1]	15	15
Public information failure damages	[1]
Accrued interest	[1]
Liquidated damages payable, current	[1]	15	15
Series H Preferred Stock [Member]
Registration Rights Damages		618	1,164
Public information failure damages		625	1,172
Accrued interest		457	792
Liquidated damages payable, current		1,700	3,128
Convertible Debentures [Member]
Registration Rights Damages
Public information failure damages		704	873
Accrued interest		216	242
Liquidated damages payable, current		920	1,115
Series J Convertible Preferred Stock [Member]
Registration Rights Damages		932	1,560
Public information failure damages		932	1,560
Accrued interest		356	490
Liquidated damages payable, current		2,220	3,610
Series K Convertible Preferred Stock [Member]
Registration Rights Damages		95	180
Public information failure damages		379	722
Accrued interest		40	50
Liquidated damages payable, current		$ 514	952
Series I Convertible Preferred Stock [Member]
Registration Rights Damages			1,386
Public information failure damages			1,386
Accrued interest			613
Liquidated damages payable, current			$ 3,385

[1] Consists of shares of common stock issuable to MDB Capital Group, LLC (“MDB”).