General form of registration statement for all companies including face-amount certificate companies

Cover Page

v3.23.1
Cover Page
 3 Months Ended
Mar. 31, 2023
Document Information [Line Items]  
Document Type S-1
Amendment Flag false
Entity Central Index Key 0001878313
Entity Registrant Name MAIA Biotechnology, Inc.
Entity Incorporation State Country Code DE
Entity Tax Identification Number 83-1495913
Entity Primary SIC Number 2834
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Address Address Line1 444 West Lake Street
Entity Address Address Line2 Suite 1700
Entity Address City Or Town Chicago
Entity Address State Or Province IL
Entity Address Postal Zip Code 60606
City Area Code 312
Local Phone Number 416-8592
Business Contact  
Document Information [Line Items]  
Contact Personnel Name Vlad Vitoc
Entity Address Address Line1 444 West Lake Street
Entity Address Address Line2 Suite 1700
Entity Address City Or Town Chicago
Entity Address State Or Province IL
Entity Address Postal Zip Code 60606
City Area Code 312
Local Phone Number 416-8592