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Prepaid and Other Current Assets (Tables) | 9 Months Ended
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Sep. 30, 2024
Prepaid Expense and Other Assets, Current [Abstract] |
Summary of Prepaid and Other Current Assets | Prepaid and other current assets consisted of the following as of September 30, 2024 and December 31, 2023 (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Down payments for inventory |  | $ | 8,251 |  |  | $ | 16,296 |
Prepaid research and development |  |  | 6,582 |  |  |  | 13,931 |
Other prepaid expenses |  |  | 8,976 |  |  |  | 8,593 |
Total prepaid assets |  | $ | 23,809 |  |  | $ | 38,820 |
|  | September 30, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Royalties receivable |  | $ | 4,958 |  |  | $ | 3,054 |
Receivable from collaboration agreement (1) |  |  | — |  |  |  | 15,000 |
Deposits and other current assets |  |  | 6,824 |  |  |  | 4,354 |
Total other current assets |  | $ | 11,782 |  |  | $ | 22,408 |
(1) In January 2024, the Company waived the remaining reimbursement payment of $15.0 million from Sobi in connection with the decision to discontinue the cold agglutinin disease (“CAD”) program.

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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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