Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net operating revenues:
Operating revenues	$ 16,068	$ 18,858
Costs and expenses:
Operating costs	13,691	15,795
Depreciation and amortization expense	970	980
Selling, general and administrative expenses	2,558	2,596
Operating loss	(1,151)	(513)
Other income (expense):
Interest expense, net	(510)	(508)
Other income, net	0	7
Loss before income taxes	(1,661)	(1,014)
Provision for income taxes	25	40
Net loss	(1,686)	(1,054)
Less net loss attributable to non-controlling interest in subsidiaries	(187)	(75)
Net loss attributable to Avalon Holdings Corporation common shareholders	$ (1,499)	$ (979)
Loss per share attributable to Avalon Holdings Corporation common shareholders:
Basic and diluted net loss per share (in dollars per share)	$ (0.38)	$ (0.25)
Weighted average shares outstanding - basic and diluted (in shares)	3,899,431	3,899,431
Waste Management Services [Member]
Net operating revenues:
Operating revenues	$ 9,677	$ 12,470
Costs and expenses:
Operating costs	7,582	9,897
Waste Management Services [Member] | Operating Segments [Member]
Net operating revenues:
Operating revenues	9,677	12,470
Costs and expenses:
Operating costs	7,582	9,897
Selling, general and administrative expenses	1,174	1,329
Other income (expense):
Other income, net		7
Loss before income taxes	866	1,221
Golf and Related Operations [Member] | Operating Segments [Member]
Net operating revenues:
Operating revenues	6,391	6,388
Costs and expenses:
Operating costs	6,109	5,898
Selling, general and administrative expenses	505	361
Other income (expense):
Other income, net		0
Loss before income taxes	(1,112)	(751)
Golf and Related Operations [Member] | Food and Beverage [Member]
Net operating revenues:
Operating revenues	2,024	2,011
Costs and expenses:
Operating costs	1,012	1,025
Golf and Related Operations [Member] | Food and Beverage [Member] | Operating Segments [Member]
Net operating revenues:
Operating revenues	2,024	2,011
Golf and Related Operations [Member] | Product and Service, Other [Member]
Costs and expenses:
Operating costs	5,097	4,873
Golf and Related Operations [Member] | Product and Service, Other [Member] | Operating Segments [Member]
Net operating revenues:
Operating revenues	$ 4,367	$ 4,377