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Debt - Schedule of Future Minimum Payments for the Convertible Notes Payable (Details) - USD ($) | 6 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024 | Feb. 06, 2024 | Feb. 04, 2024 | Dec. 31, 2023 | Aug. 15, 2023 | Jul. 20, 2023 | Jun. 26, 2023
Schedule of Future Minimum Payments for the Convertible Notes Payable [Line Items] |  |  |  |  |  |  |  |
Total future payments | $ 2,100,000 |  |  | $ 0.02 |  |  |  |
Total convertible notes payable |  | $ 13,300,000 |  |  |  |  |  |
Convertible Notes [Member] |  |  |  |  |  |  |  |
Schedule of Future Minimum Payments for the Convertible Notes Payable [Line Items] |  |  |  |  |  |  |  |
As of June 30, 2025 (in Shares) | 19,603 |  |  |  |  |  |  |
Total future payments | $ 19,603,000 | 19,533,000 |  |  |  |  |  |
Less: fair value remeasurement |  |  |  |  |  |  |  |
Less: unamortized debt discount |  | (2,000) |  |  |  |  |  |
Less: interest | (70,000) | (1,112,000) |  |  |  |  |  |
Total convertible notes payable | $ 19,533,000 | 18,419,000 |  |  |  |  |  |
Tasly Convertible Debt [Member] |  |  |  |  |  |  |  |
Schedule of Future Minimum Payments for the Convertible Notes Payable [Line Items] |  |  |  |  |  |  |  |
As of June 30, 2025 (in Shares) | 2,287 |  |  |  |  |  |  |
Total future payments | $ 2,287,000 | 1,998,000 |  |  | $ 1,710,000 | $ 300,000 | $ 300,000 | $ 1,000,000
Less: fair value remeasurement | 451,000 | 333,000 |  |  |  |  |  |
Less: unamortized debt discount |  |  |  |  |  |  |  |
Less: interest | (195,000) | (97,000) |  |  |  |  |  |
Total convertible notes payable | $ 2,543,000 | $ 2,234,000 | $ 20,000.00 |  | $ 1,710,000 | $ 300,000 | $ 300,000 | $ 1,000,000
Senior Notes [Member] |  |  |  |  |  |  |  |
Schedule of Future Minimum Payments for the Convertible Notes Payable [Line Items] |  |  |  |  |  |  |  |
As of June 30, 2025 (in Shares) | 26,003 |  |  |  |  |  |  |
Total future payments | $ 26,003,000 |  |  |  |  |  |  |
Less: fair value remeasurement |  |  |  |  |  |  |  |
Less: unamortized debt discount | 1,967,000 |  |  |  |  |  |  |
Less: interest | (75,000) |  |  |  |  |  |  |
Total convertible notes payable | $ 27,895,000 |  |  |  |  |  |  |

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