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Leases - Lessee Arrangements (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Mar. 19, 2025 | Dec. 31, 2024 | Jul. 31, 2020
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Lease expenses | $ 22 | $ 22 | $ 44 | $ 44 |  |  |
ROU asset | $ 22 |  | $ 22 |  |  | $ 65 |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent |  | Other Assets, Noncurrent |  |  | Other Assets, Noncurrent |
Current lease liabilities | $ 24 |  | $ 24 |  |  |  |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current |  | Other Liabilities, Current |  |  |  |
Discount rate | 2.50% |  | 2.50% |  |  |  |
Office Space Located in Santa Clara |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Lease agreement term |  |  |  |  |  |  | 61 months
Remaining lease term | 3 months |  | 3 months |  |  |  |
Options to renew |  |  | false |  |  |  |
Office Space Located in Campbell Avenue |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Lease agreement term |  |  |  |  | 12 months |  |

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