Organization, Description of Business, Going Concern and Significant Risks and Uncertainties (Details) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2025
USD ($)
$ / shares
|
Sep. 11, 2025
USD ($)
$ / shares
|
Jul. 28, 2025
USD ($)
$ / shares
|
Jul. 11, 2025
USD ($)
|
Aug. 28, 2023
USD ($)
shares
|
Sep. 30, 2025
USD ($)
$ / shares
shares
|
Jun. 30, 2025
USD ($)
|
Mar. 31, 2025
USD ($)
|
Sep. 30, 2024
USD ($)
|
Jun. 30, 2024
USD ($)
|
Mar. 31, 2024
USD ($)
|
Sep. 30, 2025
USD ($)
$ / shares
|
Sep. 30, 2024
USD ($)
|
Dec. 31, 2026
USD ($)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
$ / shares
|
Dec. 31, 2023
USD ($)
$ / shares
|
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| Organization, Description of Business, Going Concern and Significant Risks and Uncertainties [Line Items] | |||||||||||||||||||
| Market value | $ 50,000,000 | $ 3,537,000 | |||||||||||||||||
| Common stock, par value (in Dollars per share) | $ / shares | $ 0.0001 | $ 1 | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 | |||||||||||||
| Working capital deficit | $ 19,300,000 | $ 56,900,000 | $ 19,300,000 | $ 19,300,000 | |||||||||||||||
| Net loss | (22,192,000) | $ (2,348,000) | $ (2,716,000) | $ (2,497,000) | $ (2,410,000) | $ (2,071,000) | (27,256,000) | $ (6,978,000) | $ (9,230,000) | $ (10,281,000) | |||||||||
| Cash in operating activities | $ (11,119,000) | $ (1,828,000) | (2,066,000) | (4,402,000) | |||||||||||||||
| Incorporated date | May 11, 2009 | ||||||||||||||||||
| Purchase price | 2,000,000 | 9,000,000 | |||||||||||||||||
| Bitcoins | 8.53 | ||||||||||||||||||
| Cash | 10,000,000 | 10,000,000 | $ 10,000,000 | ||||||||||||||||
| Consecutive business days | 20 days | ||||||||||||||||||
| PIPE Convertible Note [Member] | |||||||||||||||||||
| Organization, Description of Business, Going Concern and Significant Risks and Uncertainties [Line Items] | |||||||||||||||||||
| Net loss | $ 27,300,000 | ||||||||||||||||||
| Cash in operating activities | 11,100,000 | ||||||||||||||||||
| Principal amount | $ 2,222,222 | $ 10,000,000 | $ 2,222,222 | $ 2,222,222 | |||||||||||||||
| Percentage of original issue discount | 10.00% | 10.00% | |||||||||||||||||
| Forecast [Member] | |||||||||||||||||||
| Organization, Description of Business, Going Concern and Significant Risks and Uncertainties [Line Items] | |||||||||||||||||||
| Revenue target | $ 11,864,000 | $ 99,702,000 | |||||||||||||||||
| Profusa Asia Pacific Pte.Ltd [Member] | |||||||||||||||||||
| Organization, Description of Business, Going Concern and Significant Risks and Uncertainties [Line Items] | |||||||||||||||||||
| Market value | $ 1,000 | ||||||||||||||||||
| Stockholders redeemed shares (in Shares) | shares | 1,000 | ||||||||||||||||||
| Legacy Profusa [Member] | |||||||||||||||||||
| Organization, Description of Business, Going Concern and Significant Risks and Uncertainties [Line Items] | |||||||||||||||||||
| Percentage of owns outstanding common stock | 100.00% | ||||||||||||||||||
| Common Stock [Member] | |||||||||||||||||||
| Organization, Description of Business, Going Concern and Significant Risks and Uncertainties [Line Items] | |||||||||||||||||||
| Market value | $ 50,000,000 | ||||||||||||||||||
| Stockholders redeemed shares (in Shares) | shares | [1] | 107,611 | |||||||||||||||||
| Common stock, par value (in Dollars per share) | $ / shares | $ 1,000,000 | $ 1 | $ 0.0001 | $ 1,000,000 | $ 1,000,000 | ||||||||||||||
| Net loss | |||||||||||||||||||
| Sale of shares value | $ 100,000,000 | $ 3,500,000 | |||||||||||||||||
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