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BALANCE SHEET COMPONENTS (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Balance Sheet Related Disclosures [Abstract] |  |
Schedule of Inventories | Inventories, net as of December 31, 2024 consisted of the following:
|  | December 31, 2024 |
Raw materials and supplies |  | $ | 1,913,013 |
Work-in-process |  |  | 161,137 |
Finished goods |  |  | 613,786 |
Inventories, gross |  |  | 2,687,936 |
Less: inventory reserve |  |  | (1,161,469 | )
Inventories, net |  | $ | 1,526,467 |
| Inventories, net as of December 31, 2024 and 2023 consisted of the following:
|  | Year ended December 31, |
|  | 2024 |  |  | 2023 |
Raw materials and supplies |  | $ | 1,913,013 |  |  | $ | 1,973,634 |
Work-in-process |  |  | 161,137 |  |  |  | 158,346 |
Finished goods |  |  | 613,786 |  |  |  | 457,752 |
Inventories, gross |  |  | 2,687,936 |  |  |  | 2,589,732 |
Less: inventory reserve |  |  | (1,161,469 | ) |  |  | (1,133,457 | )
Inventories, net |  | $ | 1,526,467 |  |  | $ | 1,456,275 |
Schedule of Property and Equipment, Net | Property and equipment, net as of December 31, 2024 consisted of the following:
|  | December 31, 2024 |
Machinery and equipment |  | $ | 7,203,592 |
Leasehold improvements |  |  | 897,948 |
Furniture and office equipment |  |  | 205,897 |
Computer equipment and software |  |  | 197,386 |
Property and equipment, gross |  |  | 8,504,823 |
Less: accumulated depreciation and amortization |  |  | (3,670,094 | )
Property and equipment, net |  | $ | 4,834,729 |
| Property and equipment, net as of December 31, 2024 and 2023 consisted of the following:
|  | Year ended December 31, |
|  | 2024 |  |  | 2023 |
Machinery and equipment |  | $ | 7,203,592 |  |  | $ | 7,179,629 |
Leasehold improvements |  |  | 897,948 |  |  |  | 897,948 |
Furniture and office equipment |  |  | 205,897 |  |  |  | 205,897 |
Computer equipment and software |  |  | 197,386 |  |  |  | 197,386 |
Property and equipment, gross |  |  | 8,504,823 |  |  |  | 8,480,860 |
Less: accumulated depreciation and amortization |  |  | (3,670,094 | ) |  |  | (2,829,884 | )
Property and equipment, net |  | $ | 4,834,729 |  |  | $ | 5,650,976 |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets as of June 30, 2025 and December 31, 2024 consisted of the following:
|  | June 30, 2025 |  |  | December 31, 2024 |
Common stock issued for services |  | $ | 709,167 |  |  | $ | — |
Prepaid insurance |  |  | 88,633 |  |  |  | 123,959 |
Other prepaid assets |  |  | 43,174 |  |  |  | 28,521 |
Other current assets (1) |  |  | 178,589 |  |  |  | 10,269 |
Total prepaid expenses and other current assets |  | $ | 1,019,563 |  |  | $ | 162,749 |
(1) Includes $150,000 receivable from Liqueous in connection with the Liqueous Settlement Agreement, as defined and further described in Note 6. | Prepaid expenses and other current assets as of December 31, 2024 and 2023 consisted of the following:
|  | Year ended December 31, |
|  | 2024 |  |  | 2023 |
Prepaid insurance |  | $ | 123,959 |  |  | $ | 61,342 |
Other prepaid assets |  |  | 28,521 |  |  |  | 94,653 |
Other current assets |  |  | 10,269 |  |  |  | 260 |
Total prepaid expenses and other current assets |  | $ | 162,749 |  |  | $ | 156,255 |
Schedule of Accrued Expenses | Accrued expenses as of June 30, 2025 and December 31, 2024 consisted of the following:
|  | June 30, 2025 |  |  | December 31, 2024 |
Accrued legal, accounting and professional fees |  | $ | 3,174,608 |  |  | $ | 2,448,594 |
Accrued TCEI acquisition costs |  |  | 735,127 |  |  |  | — |
Accrued transaction costs related to the reverse recapitalization |  |  | 503,600 |  |  |  | 503,600 |
Accrued lease-related payables |  |  | 409,278 |  |  |  | 54,288 |
Accrued taxes payable |  |  | 339,569 |  |  |  | 357,953 |
Accrued payroll and benefits |  |  | 336,473 |  |  |  | 232,966 |
Accrued interest |  |  | 62,505 |  |  |  | 560,501 |
Other |  |  | 102,056 |  |  |  | 143,293 |
Total accrued expenses |  | $ | 5,663,216 |  |  | $ | 4,301,195 |
| Accrued expenses as of December 31, 2024 and 2023 consisted of the following:
|  | Year ended December 31, |
|  | 2024 |  |  | 2023 |
Accrued payroll and related benefits |  | $ | 357,953 |  |  | $ | 754,904 |
Accrued legal, accounting and professional fees |  |  | 2,448,594 |  |  |  | 838,865 |
Accrued transaction costs related to the reverse recapitalization |  |  | 503,600 |  |  |  | 503,600 |
Accrued taxes payable |  |  | 232,966 |  |  |  | 89,346 |
Accrued interest |  |  | 560,501 |  |  |  | 87,265 |
Other |  |  | 197,581 |  |  |  | 225,677 |
Total accrued expenses |  | $ | 4,301,195 |  |  | $ | 2,499,657 |

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