Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 24, 2022	Jun. 30, 2021
Document Information [Line Items]
Entity Central Index Key	0001446159
Entity Registrant Name	Predictive Oncology Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-36790
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	33-1007393
Entity Address, Address Line One	2915 Commers Drive, Suite 900
Entity Address, City or Town	Eagan
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55121
City Area Code	651
Local Phone Number	389-4800
Title of 12(b) Security	Common stock, $0.01 par value
Trading Symbol	POAI
Security Exchange Name	NASDAQ
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
Entity Shell Company	false
Entity Public Float			$ 85,590,000
Entity Common Stock, Shares Outstanding		65,911,001
Auditor Name	Baker Tilly US, LLP
Auditor Location	Minneapolis, Minnesota
Auditor Firm ID	23