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Summary of Liquidated Damages (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Registration Rights Damages $ 1,871 $ 2,002
Public Information Failure Damages 2,551 2,740
Accrued Interest 1,672 1,595
Balance 6,094 6,337
MDB Common Stock To Be Issued [Member]    
Registration Rights Damages [1] 15 15
Public Information Failure Damages [1]
Accrued Interest [1]
Balance [1] 15 15
Series H Preferred Stock [Member]    
Registration Rights Damages 618 618
Public Information Failure Damages 626 626
Accrued Interest 607 570
Balance 1,851 1,814
Convertible Debentures [Member]    
Registration Rights Damages
Public Information Failure Damages 704 704
Accrued Interest 300 280
Balance 1,004 984
Series J Convertible Preferred Stock [Member]    
Registration Rights Damages 932 932
Public Information Failure Damages 932 932
Accrued Interest 580 525
Balance 2,444 2,389
Series K Convertible Preferred Stock [Member]    
Registration Rights Damages 306 437
Public Information Failure Damages 289 478
Accrued Interest 185 220
Balance $ 780 $ 1,135
[1] Consists of shares of common stock issuable to MDB Capital Group, LLC (“MDB”).