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Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Mar. 20, 2025
Jun. 28, 2024
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2024    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2024    
Current Fiscal Year End Date --12-31    
Entity File Number 000-23115    
Entity Registrant Name YUNHONG GREEN CTI LTD.    
Entity Central Index Key 0001042187    
Entity Tax Identification Number 36-2848943    
Entity Incorporation, State or Country Code IL    
Entity Address, Address Line One 22160 N. Pepper Road    
Entity Address, City or Town Lake Barrington    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60010    
City Area Code (847)    
Local Phone Number 382-1000    
Title of 12(b) Security Common Stock, no par value per share    
Trading Symbol YHGJ    
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    
Entity Shell Company false    
Entity Public Float     $ 10,000,000
Entity Common Stock, Shares Outstanding   25,891,845  
Documents Incorporated by Reference [Text Block] The Registrant’s definitive Proxy Statement for the Annual Meeting of Shareholders (the “2024 Proxy Statement”) is incorporated by reference in Part III of this Form 10-K to the extent stated herein. The 2024 Proxy Statement, or an amendment to this Form 10-K, will be filed with the SEC within 120 days after December 31, 2024. Except with respect to information specifically incorporated by reference in this Form 10-K, the Proxy Statement is not deemed to be filed as a part hereof.    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 392    
Auditor Opinion [Text Block] We have audited the accompanying consolidated balance sheets of Yunhong Green CTI Ltd. (the Company) as of December 31, 2024 and 2023, the related consolidated statements of operations and comprehensive loss, shareholders’ equity and cash flows for the years then ended, and the related notes to the consolidated financial statements (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024 and 2023, and the results of its operations and its cash flows for the years then ended, in conformity with accounting principles generally accepted in the United States of America.    
Auditor Name Wolf & Company, P.C.    
Auditor Location Boston, Massachusetts