v3.26.1
Income Taxes (Details) - USD ($)
12 Months Ended
Jul. 04, 2025
Aug. 16, 2022
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2021
Dec. 31, 2020
Income Taxes [Line Items]            
Federal net operating loss     $ 137,800,000      
Federal and state net operating loss     132,500,000      
Federal net operating loss not expire     114,600,000      
Federal and state tax credit carryforwards     1,800,000      
Received paycheck protection program loans         $ 1,300,000 $ 1,200,000
Paycheck protection program loans outstanding     1,400,000 $ 1,400,000    
Principal balance of outstanding     $ 1,300,000 $ 1,300,000    
Tax credits deductibility of business meals     100.00%      
Imposes nondeductible excise tax percentage   1.00%        
Income for taxable   $ 1,000,000,000        
Profusa, Inc [Member]            
Income Taxes [Line Items]            
Federal and state tax credit carryforwards     $ 2,100,000      
Adjusted financial statement income   15.00%        
U.S. corporate tax rate $ 21