Liquidated Damages Payable (Tables)

12 Months Ended

Dec. 31, 2025

Payables and Accruals [Abstract]

Summary of Liquidated Damages

Obligations with respect to the liquidated damages payable are summarized as follows:

	As of December 31, 2025
	Registration Rights Damages		Public Information Failure Damages		Accrued Interest		Balance
MDB common stock to be issued (1)	$	15	$	–	$	–	$	15
Series H convertible preferred stock	567		574		933		2,074
Convertible debentures (2)	–		144		106		250
Series J convertible preferred stock (2)	152		152		201		505
Series K convertible preferred stock (2)	166		70		455		691
Total	$	900	$	940	$	1,695	$	3,535

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

(2)Represents previously issued and converted debt or equity securities.

	As of December 31, 2024
	Registration Rights Damages		Public Information Failure Damages		Accrued Interest		Balance
MDB common stock to be issued (1)	$	15	$	–	$	–	$	15
Series H convertible preferred stock	566		574		796		1,936
Convertible debentures (2)	–		144		89		233
Series J convertible preferred stock (2)	152		152		165		469
Series K convertible preferred stock (2)	166		70		341		577
Total	$	899	$	940	$	1,391	$	3,230

(1)Shares of common stock issuable to MDB.

(2)Represents previously issued and converted debt or equity securities.