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Commitments and Contingencies (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 17, 2025
Feb. 11, 2025
Jan. 19, 2025
Dec. 19, 2024
Jun. 15, 2023
Aug. 01, 2022
Dec. 22, 2021
Aug. 31, 2022
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Jul. 11, 2025
May 08, 2025
Dec. 31, 2022
Nov. 07, 2022
Commitments and Contingencies [Line Items]                                    
Rent payable           $ 25,000   $ 25,000                    
Variable lease costs                         $ 100,000          
Lease expense                         100,000          
Rent payable                     $ 25,000              
Short-term leases                 $ 100,000                  
Variable lease costs                   $ 100,000 200,000 $ 100,000            
Lease expense                 $ 75,000   150,000              
Gross proceeds                     $ 50,000,000   50,000,000          
Convertible note offering percentage       9.00%                            
Other exepnses                         $ 120,000 $ 202,000        
Common stock, par value (in Dollars per share)                 $ 0.0001   $ 0.0001   $ 0.0001 $ 0.0001        
Aggregate shares issued (in Shares)                 5,604,651   5,604,651   5,604,651 5,604,651        
Aggregate share value                            
Business Combination [Member]                                    
Commitments and Contingencies [Line Items]                                    
Cash                         15,000,000          
Subsequent Event [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate shares issued (in Shares)                             477,284      
Convertible Notes [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate principal amount                 19,533,000 $ 17,348,000 19,533,000 17,348,000 18,419,000 16,316,000     $ 13,981,000  
Convertible Notes [Member] | Subsequent Event [Member]                                    
Commitments and Contingencies [Line Items]                                    
Trust account balance (in Dollars per share)                             $ 10      
Short-Term Leases [Member]                                    
Commitments and Contingencies [Line Items]                                    
Variable lease costs                     $ 300,000 $ 200,000            
Short-Term Debt [Member]                                    
Commitments and Contingencies [Line Items]                                    
Lease expense                         $ 300,000 $ 300,000        
NorthView Acquisition Corp [Member]                                    
Commitments and Contingencies [Line Items]                                    
Number of days for underwriter options                     30 days   30 days          
Underwriting discount amount                 $ 3,450,000   $ 3,450,000   $ 3,450,000          
Initial public offering gross proceed percentage                 3.68%   3.68%   3.68%          
Business combination percentage rate                                   3.68%
Cash percentage                                   27.50%
Equity percentage                                   72.50%
Payable in cash     $ 2,000,000                              
Warrants term                 5 years   5 years   5 years          
Lockup period                     180 days   180 days          
Cash                 $ 1,300,000   $ 1,300,000              
Convertible note offering percentage       9.00%                            
Asset in held in trust                 $ 29,171   $ 29,171         $ 1,250,000    
Trust account balance (in Dollars per share)   $ 10                           $ 1.25    
Payment for fees $ 418,000       $ 250,000                          
Other exepnses 50,000                                  
Percentage of net proceeds         5.00%                          
Initial closing amount   $ 9,000,000                                
Weighted average price per share percentage   95.00%                                
Number of trading days   10 years                                
Common stock, par value (in Dollars per share)                 $ 0.0001   $ 0.0001   $ 0.0001          
Aggregate shares issued (in Shares)                 5,193,750   5,193,750   5,193,750 5,193,750        
Legal services                     $ 90,000              
NorthView Acquisition Corp [Member] | Warrant [Member]                                    
Commitments and Contingencies [Line Items]                                    
Exercise price per share (in Dollars per share)             $ 11.5                      
NorthView Acquisition Corp [Member] | Cash Fee [Member]                                    
Commitments and Contingencies [Line Items]                                    
Payment for fees 550,000                                  
NorthView Acquisition Corp [Member] | Arrangement Fee [Member]                                    
Commitments and Contingencies [Line Items]                                    
Payment for fees         $ 250,000                          
NorthView Acquisition Corp [Member] | Business Combination [Member]                                    
Commitments and Contingencies [Line Items]                                    
Payment of post combination         500,000           $ 500,000              
Closing of business combination         $ 500,000                          
Common stock price (in Dollars per share)         $ 2                          
NorthView Acquisition Corp [Member] | Subsequent Event [Member]                                    
Commitments and Contingencies [Line Items]                                    
Payable in cash     2,000,000                              
NorthView Acquisition Corp [Member] | Business Combination [Member] | Advisory Fee [Member]                                    
Commitments and Contingencies [Line Items]                                    
Payment for fees         $ 750,000                          
NorthView Acquisition Corp [Member] | IPO [Member]                                    
Commitments and Contingencies [Line Items]                                    
units issued (in Shares)             18,975,000   2,475,000   2,475,000   2,475,000          
Cash underwriting discount                     1.82%   1.82%          
Gross proceeds             $ 189,750,000                      
Common stock price (in Dollars per share)             $ 10.1                      
Common stock, par value (in Dollars per share)             $ 0.0001                      
NorthView Acquisition Corp [Member] | IPO [Member] | Warrant [Member]                                    
Commitments and Contingencies [Line Items]                                    
Warrant issued (in Shares)                 17,404,250   17,404,250   17,404,250          
NorthView Acquisition Corp [Member] | Over-Allotment Option [Member]                                    
Commitments and Contingencies [Line Items]                                    
units issued (in Shares)             2,475,000                      
Warrant issued (in Shares)                 74,250   74,250   74,250          
Aggregate exercise price                     $ 6,546,375   $ 6,546,375          
Common stock price (in Dollars per share)             $ 10                      
NorthView Acquisition Corp [Member] | Over-Allotment Option [Member] | Warrant [Member]                                    
Commitments and Contingencies [Line Items]                                    
Warrant issued (in Shares)                 569,250   569,250   569,250          
Exercise price per share (in Dollars per share)                 $ 11.5   $ 11.5   $ 11.5          
NorthView Acquisition Corp [Member] | Convertible Notes [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate principal amount   $ 22,222,222                                
Purchase price   $ 20,000,000                                
Original issue discount   10.00%                                
NorthView Acquisition Corp [Member] | Convertible Notes [Member] | Securities Purchase Agreement [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate principal amount                 $ 12,222,222   $ 12,222,222              
Purchase price                     $ 11,000,000              
Original issue discount                     10.00%              
NorthView Acquisition Corp [Member] | Initial Notes [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate principal amount   $ 10,000,000                                
NorthView Acquisition Corp [Member] | Initial Notes [Member] | Securities Purchase Agreement [Member]                                    
Commitments and Contingencies [Line Items]                                    
Original issue discount   10.00%                                
NorthView Acquisition Corp [Member] | Second Purchase [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate principal amount                 $ 2,222,222   $ 2,222,222              
Purchase price                     $ 2,000,000              
Original issue discount                     10.00%              
I-Bankers and Dawson James [Member] | NorthView Acquisition Corp [Member]                                    
Commitments and Contingencies [Line Items]                                    
Gross proceeds                     $ 6,986,250   $ 6,986,250          
Representative shares issued (in Shares)             37,500                      
Warrant issued (in Shares)                 569,250   569,250   569,250          
I-Bankers and Dawson James [Member] | NorthView Acquisition Corp [Member] | Over-Allotment Option [Member]                                    
Commitments and Contingencies [Line Items]                                    
Representative shares issued (in Shares)             450,000                      
I-Bankers [Member] | NorthView Acquisition Corp [Member]                                    
Commitments and Contingencies [Line Items]                                    
Gross proceeds     900,000                              
Dawson James [Member] | NorthView Acquisition Corp [Member]                                    
Commitments and Contingencies [Line Items]                                    
Gross proceeds     $ 600,000                              
Private Placement [Member] | NorthView Acquisition Corp [Member]                                    
Commitments and Contingencies [Line Items]                                    
Deferred fees paid $ 968,000                                  
Investor [Member] | NorthView Acquisition Corp [Member] | Convertible Notes [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate principal amount                 $ 4,444,444   $ 4,444,444              
Purchase price                     $ 4,000,000              
Original issue discount                     10.00%              
Common Stock [Member] | NorthView Acquisition Corp [Member]                                    
Commitments and Contingencies [Line Items]                                    
Closing of business combination         $ 500,000                          
New Profusa Common Stock [Member] | Convertible Notes [Member] | Subsequent Event [Member]                                    
Commitments and Contingencies [Line Items]                                    
Trust account balance (in Dollars per share)                             $ 7      
New Profusa Common Stock [Member] | NorthView Acquisition Corp [Member]                                    
Commitments and Contingencies [Line Items]                                    
Number of trading days                     5 days              
Common stock, par value (in Dollars per share)                 $ 0.0001   $ 0.0001              
Aggregate shares issued (in Shares)                 15,000,000   15,000,000              
Aggregate share value                 $ 35,000,000   $ 35,000,000              
Trading price per share (in Dollars per share)                     $ 4              
New Profusa Common Stock [Member] | NorthView Acquisition Corp [Member] | Convertible Notes [Member]                                    
Commitments and Contingencies [Line Items]                                    
Aggregate principal amount                 $ 5,555,555   $ 5,555,555              
Purchase price                     $ 5,000,000              
Original issue discount                     10.00%              
New Profusa Common Stock [Member] | NorthView Acquisition Corp [Member] | Second Purchase [Member]                                    
Commitments and Contingencies [Line Items]                                    
Purchase price                     $ 2,000,000