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Supplementary Balance Sheet Information (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Disclosure Text Block Supplement [Abstract] |  |
Summary of Inventories | Inventories consist of the following:
(Amounts in thousands) |  | As of September 30, 2025 |  |  | As of December 31, 2024 |
Raw materials |  | $ | 7,432 |  |  | $ | 7,410 |
Work in progress |  |  | 446 |  |  |  | 1,064 |
Finished goods |  |  | 904 |  |  |  | 87 |
Total inventories |  | $ | 8,782 |  |  | $ | 8,561 |
| Inventories consists of the following as of December 31, 2024 and 2023 (in thousands):
|  | 2024 |  |  | 2023 |
Finished goods |  | $ | 87 |  |  | $ | 16 |
Work in progress |  |  | 1,064 |  |  |  | 1,542 |
Raw materials |  |  | 7,410 |  |  |  | 4,964 |
Total inventories |  | $ | 8,561 |  |  | $ | 6,522 |
Summary of Prepaid Expenses and Other Current Assets |  | Prepaid expenses and other current assets consists of the following as of December 31, 2024 and 2023 (in thousands):
|  | 2024 |  |  | 2023 |
Deferred offering costs |  | $ | 11,121 |  |  | $ | 1,491 |
Prepaid taxes |  |  | 2,020 |  |  |  | — |
Software licenses and maintenance |  |  | 510 |  |  |  | 311 |
Advances paid to contract manufacturer |  |  | 161 |  |  |  | 144 |
Other receivables |  |  | 51 |  |  |  | 441 |
Prepaid subscriptions |  |  | 131 |  |  |  | 83 |
Other |  |  | 843 |  |  |  | 366 |
Total prepaid expenses and other current assets |  | $ | 14,837 |  |  | $ | 2,836 |
Schedule of Property Plant And Equipment |  | Property and equipment, net, consists of the following as of December 31, 2024 and 2023 (in thousands):
|  | 2024 |  |  | 2023 |
Computer equipment |  | $ | 12,525 |  |  | $ | 13,108 |
Software |  |  | 2,833 |  |  |  | 4,984 |
Furniture and fixtures |  |  | 175 |  |  |  | 346 |
Leasehold improvements |  |  | 1,268 |  |  |  | 1,594 |
Vehicles |  |  | 31 |  |  |  | 26 |
|  |  | 16,832 |  |  |  | 20,058 |
Less: Accumulated depreciation |  |  | (14,751 | ) |  |  | (18,503 | )
Total property and equipment, net |  | $ | 2,081 |  |  | $ | 1,555 |
Schedule of Accrued Expenses And Other Current Liabilities |  | Accrued expenses and other current liabilities consists of the following as of December 31, 2024 and 2023 (in thousands):
|  | 2024 |  |  | 2023 |
Inventory purchases |  | $ | 3,289 |  |  | $ | 3,813 |
Professional fees |  |  | 6,124 |  |  |  | 2,617 |
Technology costs |  |  | 2,104 |  |  |  | — |
Deferred revenue |  |  | — |  |  |  | 733 |
Other |  |  | 479 |  |  |  | 301 |
Total accrued and other current liabilities |  | $ | 11,996 |  |  | $ | 7,464 |
Schedule of Accrued Compensation |  | Accrued compensation consists of the following as of December 31, 2024 and 2023 (in thousands):
|  | 2024 |  |  | 2023 |
Vacation |  | $ | 652 |  |  | $ | 804 |
Employee benefits |  |  | 182 |  |  |  | 724 |
401K payable |  |  | 297 |  |  |  | 215 |
Salaries and Wages |  |  | 269 |  |  |  | 113 |
Statutory liabilities |  |  | 148 |  |  |  | — |
Other |  |  | 65 |  |  |  | 82 |
Total accrued compensation |  | $ | 1,613 |  |  | $ | 1,938 |

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