Note 23 - Discontinued Operations - Summarized Discontinued Operatings Financial Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net Loss prior to non-controlling interest	$ 173,727	$ (2,520,616)
Loss from discontinued operations attributable to Yunhong CTI Ltd common shareholders	(11,845,104)	(8,815,051)
TOTAL Current Assets		9,380,070
TOTAL Current Liabilities	0	4,666,555
CTI Balloons and CTI Europe [Member]
Net Sales	3,120,308	7,593,627
Cost of Sales	3,539,732	7,746,582
Gross Margin	(419,424)	(152,955)
SG&A	808,456	2,039,612
Operating Income	(1,227,880)	(2,192,567)
Other Income / (Expense)	1,082,883	(410,594)
Loss from discontinued operations	(144,996)	(2,603,161)
Gain from classification to held for sale	318,723	82,545
Net Loss prior to non-controlling interest	173,727	(2,520,616)
Non-controlling Interest share of income/loss	70,476	135,202
Loss from discontinued operations attributable to Yunhong CTI Ltd common shareholders	$ 103,251	(2,655,818)
Cash on hand and Banks		301,517
Accounts Receivable		3,361,236
Inventory		3,697,734
Prepaid & Other		1,541,037
TOTAL Current Assets		8,901,525
NET Property, Plant, and Equipment		151,639
Operating lease right-of-use		448,642
Other		120,095
TOTAL Other Assets		568,737
TOTAL Non-Current Assets		568,737
Valuation Allowance on Assets Held for Sale		(250,664)
TOTAL Assets		9,219,598
Trade Accounts Payable		2,220,771
Operating Lease Liabilities - Current		372,630
Other/Accrued Liabilities		2,000,552
TOTAL Current Liabilities		4,593,953
Operating Lease Liabilities - Non Current		76,013
Other Non-Current		36,705
TOTAL Non-Current Liabilities		112,718
TOTAL Liabilities		$ 4,706,671