Other Expense (Income), net

3 Months Ended

12 Months Ended

Mar. 31, 2026

Dec. 31, 2025

Other Income and Expenses [Abstract]

Other (Income) Expense, net

10. Other (Income) Expense, Net

Other (income) expense, net consisted of the following (in thousands):


		Three Months Ended March 31,
		2026				2025
Interest expense		$	29			$	458
Interest income			(23	)			(5	)
Gain on extinguishment of accrued interest			(56	)			—
Imputed interest expense on 2025 bridge loans			—				25
Other expense			9				9

Total other (income) expense, net		$	(41	)		$	487

13. Other Expense (Income), net

Other Expense (income) consisted of the following (in thousands):


		Year ended December 31,
		2025				2024				2023
Interest expense		$	895			$	1,144			$	1,151
Interest income			(33	)			(27	)			(252	)
Imputed interest expense on 2025 bridge loans			154				—				—
Gain on extinguishment of the CFF 2021 award			(1,236	)			—				—
Change in fair value of warrant liabilities			—				(376	)			(1,593	)
Change in fair value of derivative liabilities			(95	)			—				50
Gain on sale of fixed assets			(1	)			(38	)			(288	)
Gain on debt conversion			(154	)			—				—
Loss on debt extinguishment			—				25				436
Loss on issuance of common stock			—				—				231
Other			27				(53	)			31

Total other expense (income), net		$	(443	)		$	675			$	(234	)