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Consolidated Statements of Operations and Comprehensive Loss - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Income Statement [Abstract]    
Net Sales $ 17,953,000 $ 17,804,000
Cost of Sales 14,352,000 14,546,000
Gross profit 3,601,000 3,258,000
Operating expenses:    
General and administrative 3,396,000 2,995,000
Selling 141,000 131,000
Advertising and marketing 676,000 531,000
Total operating expenses 4,213,000 3,657,000
Loss from operations (612,000) (399,000)
Other (expense) income:    
Interest expense (862,000) (628,000)
Other income/(expense) (25,000) 792,000
Total other expense, net (887,000) 164,000
Net Loss (1,499,000) (235,000)
Deemed dividends on preferred stock (143,000) (11,000)
Net loss attributable to Yunhong CTI Ltd common shareholders $ (1,642,000) $ (246,000)
Basic income (loss) per common share $ (0.07) $ (0.01)
Diluted income (loss) per common share $ (0.07) $ (0.01)
Weighted average number of shares and equivalent shares of common stock outstanding:    
Basic 23,367,378 19,526,633
Diluted 23,367,378 19,526,633