| 10. Other (Income) Expense, Net Other (income) expense, net, consisted of the following (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Three Months
Ended June 30, |
|
|
Six Months
Ended June 30, |
|
| |
|
2026 |
|
|
2025 |
|
|
2026 |
|
|
2025 |
|
| Interest expense |
|
$ |
8 |
|
|
$ |
196 |
|
|
$ |
36 |
|
|
$ |
654 |
|
| Interest income |
|
|
(41 |
) |
|
|
(3 |
) |
|
|
(64 |
) |
|
|
(8 |
) |
| Gain on extinguishment of accrued interest |
|
|
— |
|
|
|
— |
|
|
|
(56 |
) |
|
|
— |
|
| Imputed interest expense on 2025 bridge loans |
|
|
— |
|
|
|
112 |
|
|
|
— |
|
|
|
137 |
|
| Change in fair value of warrant liabilities |
|
|
62 |
|
|
|
— |
|
|
|
62 |
|
|
|
— |
|
| Other expense |
|
|
23 |
|
|
|
4 |
|
|
|
32 |
|
|
|
13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total other expense, net |
|
$ |
52 |
|
|
$ |
309 |
|
|
$ |
10 |
|
|
$ |
796 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
) |
|