v3.26.3
Cover
Sep. 30, 2026
Cover [Abstract]  
Document Type S-1/A
Amendment Flag true
Amendment Description Amendment No. 1
Entity Registrant Name CitroTech Inc.
Entity Central Index Key 0000894556
Entity Primary SIC Number 2800
Entity Tax Identification Number 87-2765150
Entity Incorporation, State or Country Code WY
Entity Address, Address Line One 6400 S. Fiddlers Green Cir.
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Greenwood Village
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80111
City Area Code (800)
Local Phone Number 401-4535
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false