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Balance Sheet Components | 9 Months Ended
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Sep. 30, 2025
Balance Sheet Related Disclosures [Abstract] |
Balance Sheet Components | 5. Balance Sheet Components Property and Equipment, Net Property and equipment, net is comprised of the following (in thousands):
|  | September 30, 2025 |  |  | December 31, 2024 |
Leasehold improvements |  | $ | 66,618 |  |  | $ | 66,618 |
Furniture and fixtures |  |  | 746 |  |  |  | 746 |
Research equipment |  |  | 18,203 |  |  |  | 16,914 |
Computers and software |  |  | 404 |  |  |  | 404 |
Construction in progress |  |  | 9,992 |  |  |  | 10,821 |
Total property and equipment, gross |  |  | 95,963 |  |  |  | 95,503 |
Less accumulated depreciation and amortization |  |  | (27,781 | ) |  |  | (20,845 | )
Total property and equipment, net |  | $ | 68,182 |  |  | $ | 74,658 |
Depreciation and amortization expense was $2.3 million and $2.4 million for the three months ended September 30, 2025 and 2024, respectively and $6.9 million for each of the nine months ended September 30, 2025 and 2024. Accrued and Other Current Liabilities Accrued and other current liabilities are comprised of the following (in thousands):
|  | September 30, 2025 |  |  | December 31, 2024 |
Accrued compensation |  | $ | 5,675 |  |  | $ | 7,918 |
Accrued research and development costs |  |  | 4,745 |  |  |  | 3,633 |
Accrued property and equipment |  |  | — |  |  |  | 254 |
Other accrued and current liabilities |  |  | 758 |  |  |  | 424 |
Total accrued and other liabilities |  | $ | 11,178 |  |  | $ | 12,229 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/210/tableOfContent + Details
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