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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2025
Accounting Policies [Abstract] |
Schedule of Segment Reporting Information, by Segment | The following table contains additional information on our consolidated net loss, including significant segment expenses:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Total revenue |  | $ | 1,115 |  |  | $ | — |  |  | $ | 2,569 |  |  | $ | 591 |
Operating expenses: |  |  |  |  |  |  |  |
Research and development expenses |  |  |  |  |  |  |  |
Personnel expenses |  | 14,448 |  |  | 16,198 |  |  | 29,248 |  |  | 31,205 |
Facility related |  | 13,765 |  |  | 11,302 |  |  | 24,734 |  |  | 18,636 |
Research costs |  | 8,116 |  |  | 11,390 |  |  | 19,152 |  |  | 23,009 |
General and administrative expenses: |  |  |  |  |  |  |  |
Personnel expenses |  | 7,082 |  |  | 6,956 |  |  | 14,238 |  |  | 12,840 |
Other segment items (1) |  | 11,081 |  |  | 9,826 |  |  | 20,966 |  |  | 18,914 |
Total operating expenses |  | 54,492 |  |  | 55,672 |  |  | 108,338 |  |  | 104,604 |
Total other income, net |  | 786 |  |  | 211 |  |  | 1,288 |  |  | 2,925 |
Provision for income taxes |  | — |  |  | 134 |  |  | — |  |  | — |
Net loss |  | $ | (52,591) |  |  | $ | (55,327) |  |  | $ | (104,481) |  |  | $ | (101,088) |
(1) Other segment items consist of professional and consultant fees, license and intellectual property fees, general and administrative facility costs, and settlement costs.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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