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Balance Sheet Account Details | 3 Months Ended
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Mar. 31, 2024
Balance Sheet Account Details [Abstract] |
Balance Sheet Account Details | 6. Balance Sheet Account Details Property and Equipment, Net Property and equipment, net, consisted of the following as of March 31, 2024 and December 31, 2023:
(in thousands) |  | March 31, 2024 |  | December 31, 2023
Leasehold improvements |  | $ | 16,077 |  |  | $ | 16,077 |
Lab and office equipment |  | 9,485 |  |  | 9,452 |
Computer equipment and software |  | 754 |  |  | 754 |
Construction in progress |  | 1,532 |  |  | 842 |
Property and equipment, at cost |  | 27,848 |  |  | 27,125 |
Less accumulated depreciation |  | (9,891) |  |  | (8,876) |
Total property and equipment, net |  | $ | 17,957 |  |  | $ | 18,249 |
Depreciation expense, which is included in operating expense, was $1.0 million during the three months ended March 31, 2024 and $1.0 million during the three months ended March 31, 2023. Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consisted of the following as of March 31, 2024 and December 31, 2023:
(in thousands) |  | March 31, 2024 |  | December 31, 2023
Compensation |  | $ | 2,939 |  |  | $ | 5,247 |
Due to former parent |  | 496 |  |  | 1,234 |
Professional service fees |  | 229 |  |  | 431 |
Royalties owed to third parties |  | 70 |  |  | 139 |
Other |  | 293 |  |  | 17 |
Total accrued expenses and other current liabilities |  | $ | 4,027 |  |  | $ | 7,068 |

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