v3.26.1
Document And Entity Information
$ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
shares
Document Information [Line Items]  
Document Type 10-K
Document Annual Report true
Document Period End Date Dec. 31, 2025
Document Transition Report false
Entity File Number 000-52694
Entity Registrant Name QUAINT OAK BANCORP, INC.
Entity Incorporation, State or Country Code PA
Entity Tax Identification Number 35-2293957
Entity Address, Address Line One 501 Knowles Avenue
Entity Address, City or Town Southampton
Entity Address, State or Province PA
Entity Address, Postal Zip Code 18966
City Area Code 215
Local Phone Number 364-4059
Title of 12(g) Security Common Stock, $.01 par value per share
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Entity Shell Company false
Entity Public Float | $ $ 19.6
Entity Common Stock, Shares Outstanding (in shares) | shares 2,640,997
Auditor Name S.R. Snodgrass, P.C
Auditor Location Cranberry Township, Pennsylvania
Auditor Firm ID 74
Entity Central Index Key 0001391933
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Amendment Flag false