Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.24.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2023
Mar. 21, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Document Annual Report true    
Document Transition Report false    
Trading Symbol MAIA    
Entity Incorporation State Country Code DE    
Entity Registrant Name MAIA BIOTECHNOLOGY, INC.    
Entity Central Index Key 0001878313    
Current Fiscal Year End Date --12-31    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity File Number 001-41455    
Entity Tax Identification Number 83-1495913    
Entity Address Address Line1 444 West Lake Street    
Entity Address, Address Line Two Suite 1700    
Entity Address City Or Town Chicago    
Entity Address State Or Province IL    
Entity Address Postal Zip Code 06060    
City Area Code 312    
Local Phone Number 416-8592    
Entity Common Stock, Shares Outstanding   20,002,826  
Entity Public Float     $ 22,484,200
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction false    
Security12b Title Common Stock, $0.0001 par value per share    
Security Exchange Name NYSE    
Auditor Firm ID 248    
Auditor Name GRANT THORNTON LLP    
Auditor Location Charlotte, North Carolina    
Documents Incorporated by Reference

Portions of the registrant’s definitive proxy statement for the annual stockholder meeting to be held in 2024 are incorporated by reference into Part III of this Annual Report on Form 10-K as noted herein. The registrant intends to file its proxy statement within 120 days after its fiscal year end.