v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 16, 2026
Jun. 30, 2025
Document Information [Line Items]      
Entity Central Index Key 0001502377    
Entity Registrant Name CONTANGO ORE, INC.    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
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 516 2nd Avenue    
Entity Address, Address Line Two Suite 401    
Entity Address, City or Town Fairbanks    
Entity Address, State or Province AK    
Entity Address, Postal Zip Code 99701    
City Area Code 907    
Local Phone Number 388-7770    
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol CTGO    
Security Exchange Name NYSE    
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] true    
Document Financial Statement Restatement Recovery Analysis [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 395,263,918
Entity Common Stock, Shares Outstanding   16,821,321  
Auditor Name Baker Tilly US, LLP    
Auditor Location Houston, Texas    
Auditor Firm ID 23    
Documents Incorporated by Reference [Text Block]

Documents Incorporated by Reference

 

The information required by Items 10, 11, 12, 13 and 14 of Part III has been omitted from this report and is incorporated by reference from the registrant's proxy statement or will be included in an amendment to this Annual Report on Form 10-K, to be filed not later than 120 days after the close of its fiscal year.