{"cik":1859807,"taxonomy":"us-gaap","tag":"OperatingLeaseLiability","label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating lease.","entityName":"PROFUSA, INC.","units":{"USD":[{"end":"2026-03-31","val":200000,"accn":"0001213900-26-057887","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}}