Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 425,516	$ 429,457
Accounts receivable	5,248,305	5,013,195
Inventories, net	11,380,765	10,969,711
Prepaid expenses	793,076	589,149
Other current assets	1,722,048	1,352,419
Income Tax Receivable	196,747	403,074
Receivable from related party	0	100,000
Current assets of discontinued operations	0	294,219
Total current assets	19,766,457	19,151,224
Property, plant and equipment:
Machinery and equipment	19,834,510	19,833,903
Building	0	3,321,016
Office furniture and equipment	2,159,259	2,231,458
Intellectual property	783,179	783,179
Land	0	250,000
Leasehold improvements	165,217	407,476
Fixtures and equipment at customer locations	518,450	518,450
Projects under construction	136,207	71,206
Property, Plant and Equipment, Gross	23,596,822	27,416,688
Less : accumulated depreciation and amortization	(22,329,036)	(25,466,213)
Total property, plant and equipment, net	1,267,786	1,950,475
Other assets:
Operating lease right-of-use	3,763,346	361,720
Other assets	84,692	87,552
Total other assets	3,848,038	449,272
TOTAL ASSETS	24,882,281	21,550,971
Current liabilities:
Trade payables	4,553,389	5,504,442
Line of credit	3,263,698	5,363,340
Notes payable - current portion	3,777,958	3,913,666
Advance from Investor	1,500,000	1,500,000
Notes payable affiliates - current portion	0	8,045
Notes payable - officers, subordinated	1,175,361	1,123,769
Operating Lease Liabilities	871,287	317,591
Accrued liabilities	1,551,984	871,761
Current liabilities of discontinued operations	0	184,577
Total current liabilities	16,693,677	18,787,191
Long-term liabilities:
Operating Lease Liabilities	2,892,059	44,129
Total long-term liabilities	2,892,059	44,129
TOTAL LIABILITIES	19,585,736	18,831,320
Mezzanine equity:
Common stock - no par value, 50,000,000 shares authorized, 5,930,408 and 5,827,304 shares issued and 5,886,750 and 5,783,646 shares outstanding at September 30, 2021 and December 31, 2020 respectively	14,537,828	14,537,828
Paid-in-capital	4,496,635	5,041,511
Accumulated deficit	(13,645,161)	(14,382,327)
Accumulated other comprehensive loss	(6,273,309)	(5,885,112)
Less: Treasury stock, 43,658 shares	(160,784)	(160,784)
Total Yunhong CTI, Ltd Stockholders' Equity	5,286,832	1,905,699
Noncontrolling interest	9,713	(718,212)
Total Shareholders' Equity	5,296,545	1,187,487
TOTAL LIABILITIES, MEZZANINE EQUITY AND SHAREHOLDERS' EQUITY	24,882,281	21,550,971
Series B Preferred Stock [Member]
Mezzanine equity:
Series B Preferred stock -- no par value, 170,000 share authorized 170,000 shares issued and outstanding at September 30, 2021 and December 31, 2020	0	1,532,164
Preferred Stock	1,680,707	0
Series A Preferred Stock [Member]
Mezzanine equity:
Preferred Stock	3,054,583	2,754,583
Series C Preferred Stock [Member]
Mezzanine equity:
Preferred Stock	$ 1,596,333	$ 0