Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 65,830	$ 322,179
Accounts receivable	3,442,928	1,769,645
Inventories, net	7,876,304	7,271,977
Prepaid expenses	625,143	457,162
Other current assets	463,748	408,613
Receivable from related party		100,000
Current assets of discontinued operations		9,380,070
Total current assets	12,473,953	19,709,646
Property, plant and equipment:
Machinery and equipment	17,469,698	18,183,945
Building	0	3,321,016
Office furniture and equipment	2,076,370	2,140,897
Intellectual property	783,179	783,179
Land	0	250,000
Leasehold improvements	22,500	256,468
Fixtures and equipment at customer locations	518,450	518,450
Projects under construction	223,258	71,206
Property, Plant and Equipment, Gross	21,093,455	25,525,161
Less : accumulated depreciation and amortization	(19,950,883)	(23,726,326)
Total property, plant and equipment, net	1,142,572	1,798,835
Other assets:
Operating lease right-of-use	3,530,000	42,489
Other assets	135,048	0
Total other assets	3,665,048	42,489
TOTAL ASSETS	17,281,573	21,550,970
Current liabilities:
Trade payables	2,132,060	3,304,927
Line of credit	5,002,599	5,341,916
Notes payable - current portion	725,807	2,156,897
Advance from Investor	0	1,500,000
Notes payable affiliates - current portion	0	8,045
Notes payable - officers, subordinated	1,193,079	1,123,769
Operating lease liabilities	670,000	38,475
Accrued liabilities	647,570	646,606
Current liabilities of discontinued operations	0	4,666,555
Total current liabilities	10,371,115	18,787,190
Long-term liabilities:
Operating lease liabilities	2,860,000	4,013
Deferred gain (non current)	0	40,116
Total long-term liabilities	2,860,000	44,129
TOTAL LIABILITIES	13,231,115	18,831,319
Mezzanine equity:
Preferred stock -- no par value, 170,000 share authorized 170,000 shares issued and outstanding at December 31, 2020 and none at December 31, 2021 (liquidation preference - $5.0 million as of December 31, 2020)	0	1,532,164
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 December 31, 2021 and December 31, 2020 respectively	14,537,828	14,537,828
Paid-in-capital	4,316,924	5,041,511
Accumulated deficit	(22,654,844)	(14,382,327)
Accumulated other comprehensive loss	0	(5,885,112)
Less: Treasury stock, 43,658 shares	(160,784)	(160,784)
Total Yunhong CTI, Ltd Stockholders' Equity	4,050,458	1,905,699
Noncontrolling interest	0	(718,212)
Total Stockholders' Equity	4,050,458	1,187,487
TOTAL LIABILITIES, MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY	17,281,573	21,550,970
Series A Preferred Stock [Member]
Mezzanine equity:
Preferred Stock	3,154,583	2,754,583
Series B Preferred Stock [Member]
Mezzanine equity:
Preferred Stock	1,714,707	0
Series C Preferred Stock [Member]
Mezzanine equity:
Preferred Stock	1,630,333	0
Series D Preferred Stock [Member]
Mezzanine equity:
Preferred Stock	$ 1,511,711	$ 0