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Share-Based Compensation - Schedule of Recorded Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Schedule of Recorded Stock-Based Compensation Expense [Line Items] |  |  |  |  |  |
Total stock-based compensation | $ 360 | $ 553 | $ 872 | $ 1,116 | $ 1,927 | $ 2,305
Research and Development [Member] |  |  |  |  |  |
Schedule of Recorded Stock-Based Compensation Expense [Line Items] |  |  |  |  |  |
Total stock-based compensation | 8 | 25 | 18 | 51 | 72 | 118
General and Administrative [Member] |  |  |  |  |  |
Schedule of Recorded Stock-Based Compensation Expense [Line Items] |  |  |  |  |  |
Total stock-based compensation | $ 352 | $ 528 | $ 854 | $ 1,065 | $ 1,855 | $ 2,187

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