Liquidated Damages Payable (Tables)

9 Months Ended

Sep. 30, 2026

Liquidated Damages Payable [Abstract]

Summary of Liquidated Damages

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

	As of September 30, 2026
	Registration Rights Damages		Public Information Failure Damages		Accrued Interest		Balance
MDB common stock to be issued (1)	$	15	$	—	$	—	$	15
Series H convertible preferred stock (2)	567		574		1,035		2,176
Convertible debentures (2)	—		144		119		263
Series J convertible preferred stock (2)	152		152		228		532
Series K convertible preferred stock (2)	166		70		541		777
Total	$	900	$	940	$	1,923	$	3,763

	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 (2)	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.