Document And Entity Information - shares	9 Months Ended
	Mar. 31, 2023	May 11, 2023
Document Information [Line Items]
Entity Central Index Key	0001502377
Entity Registrant Name	Contango ORE, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-35770
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-3431051
Entity Address, Address Line One	3700 BUFFALO SPEEDWAY, SUITE 925
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77098
City Area Code	713
Local Phone Number	877-1311
Title of 12(b) Security	Common Stock, Par Value $0.01 per share
Trading Symbol	CTGO
Security Exchange Name	NYSE
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		7,619,718