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Balance Sheet Details (Tables) | 6 Months Ended
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Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets as of June 30, 2024 and December 31, 2023 consisted of the following:
| June 30, 2024 |  | December 31, 2023
| (in thousands)
At-the-market (“ATM”) receivable | $ | 9,414 |  |  | $ | — |
Prepaid expenses | 9,177 |  |  | 6,159 |
Interest receivable | 8,076 |  |  | 3,598 |
Grant receivable | 394 |  |  | 9 |
Purchased equipment deposits | 345 |  |  | 3,856 |
Other current assets | 1,376 |  |  | 2,105 |
Total | $ | 28,782 |  |  | $ | 15,727 |
Schedule of Property and Equipment, Net | Property and equipment, net as of June 30, 2024 and December 31, 2023 consisted of the following:
| June 30, 2024 |  | December 31, 2023
| (in thousands)
Furniture and equipment | $ | 1,608 |  |  | $ | 1,608 |
Computers and computer software | 941 |  |  | 771 |
Lab equipment | 26,693 |  |  | 25,110 |
Leasehold improvements | 3,552 |  |  | 1,460 |
Manufacturing equipment | 15,395 |  |  | 8,134 |
Manufacturing facility and equipment construction-in-progress (1) | 89,407 |  |  | 51,815 |
Total property and equipment | 137,596 |  |  | 88,898 |
Less: accumulated depreciation and amortization | (11,623) |  |  | (9,272) |
Property and equipment, net | $ | 125,973 |  |  | $ | 79,626 |
___________ (1) See Note 4, “Commercial Manufacturing and Supply Agreement,” for further details.
Schedule of Other Assets, Noncurrent | Other assets as of June 30, 2024 and December 31, 2023 consisted of the following:
| June 30, 2024 |  | December 31, 2023
| (in thousands)
Manufacturing facility construction buildout (1) | $ | 50,588 |  |  | $ | 34,688 |
Other long-term assets | 2,047 |  |  | 2,768 |
Long-term prepaid assets | 55 |  |  | 106 |
Total | $ | 52,690 |  |  | $ | 37,562 |
___________ (1) See Note 4, “Commercial Manufacturing and Supply Agreement,” for further details.
Schedule of Accrued Expenses | Accrued expenses as of June 30, 2024 and December 31, 2023 consisted of the following:
| June 30, 2024 |  | December 31, 2023
| (in thousands)
Other research and development | $ | 18,326 |  |  | $ | 30,759 |
Other accrued expenses | 2,275 |  |  | 1,900 |
Clinical studies | 1,552 |  |  | 2,156 |
Acquired manufacturing rights (1) | — |  |  | 25,000 |
Total | $ | 22,153 |  |  | $ | 59,815 |
___________ (1) See Note 7, “Commitments and Contingencies, Sutro Option Agreement,” for further details.

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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