v3.25.1
Cover
Jun. 11, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Jun. 11, 2025
Entity Registrant Name QT Imaging Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40839
Entity Tax Identification Number 86-1728920
Entity Address, Address Line One 3 Hamilton Landing
Entity Address, Address Line Two Suite 160
Entity Address, City or Town Novato
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94949
City Area Code 650
Local Phone Number 276-7040
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, par value $0.0001 per share
Trading Symbol QTI1
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false
Entity Central Index Key 0001844505