v3.26.1
Common Stock Warrants (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Oct. 20, 2025
Sep. 11, 2025
Jul. 28, 2025
Common Stock Warrants [Line Items]          
Public warrants (in Dollars) $ 298,000      
Common stock, par value (in Dollars per share) $ 0.0001 $ 0.0001 $ 0.0001 $ 1  
Aggregate exercise price (in Dollars) $ 1        
Transaction fee amount (in Dollars) $ 1,000,000        
Issued warrants 233,822        
Common stock, shares authorized 600,000,000 600,000,000 600,000,000    
Common stock, shares issued 1,232,052 25,844      
Price per share (in Dollars per share) $ 0.75        
Change in fair value (in Dollars) $ (895,000)      
Warrant [Member]          
Common Stock Warrants [Line Items]          
Public warrants (in Dollars) $ 17,536,750        
Private placement warrants 569,250        
Exercisable price per shares (in Dollars per share) $ 862.5        
Change in fair value (in Dollars) $ 900,000        
Public Warrant [Member]          
Common Stock Warrants [Line Items]          
Public warrants (in Dollars) $ 9,487,500        
Exercisable price per shares (in Dollars per share) $ 862.5        
Initial fair value (in Dollars) $ 300,000        
HCW Warrants [Member]          
Common Stock Warrants [Line Items]          
Private placement warrants 132,500        
Exercisable price per shares (in Dollars per share) $ 0.75        
Issued warrants 1,766        
Private Placement Warrants [Member]          
Common Stock Warrants [Line Items]          
Public warrants (in Dollars) $ 277,000        
Exercisable price per shares (in Dollars per share) $ 862.5        
Issued warrants 97,966        
New Profusa Common Stock [Member]          
Common Stock Warrants [Line Items]          
Issued warrants 132,500        
Common stock, shares authorized 1,766        
IPO [Member]          
Common Stock Warrants [Line Items]          
Public warrants (in Dollars) $ 7,347,500        
IPO [Member] | Warrant [Member]          
Common Stock Warrants [Line Items]          
Private placement warrants 569,250        
Exercisable price per shares (in Dollars per share) $ 862.5        
IPO [Member] | Private Placement Warrants [Member]          
Common Stock Warrants [Line Items]          
Private placement warrants 7,347,500        
Over-Allotment Option [Member]          
Common Stock Warrants [Line Items]          
Common stock, par value (in Dollars per share) $ 75        
Over-Allotment Option [Member] | Northview Acquisition Corporation [Member]          
Common Stock Warrants [Line Items]          
Common stock, par value (in Dollars per share) $ 75        
Common Stock [Member]          
Common Stock Warrants [Line Items]          
Common stock, par value (in Dollars per share)   $ 0.0001      
Common stock sold for purchase agreement (in Dollars) $ 10,300,000        
Common stock, shares issued 12,000        
Common Stock [Member] | HCW Warrants [Member]          
Common Stock Warrants [Line Items]          
Common stock, par value (in Dollars per share) $ 0.75        
Common Stock [Member] | ELOC [Member]          
Common Stock Warrants [Line Items]          
Common stock, shares authorized         100