Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net operating revenues:
Operating revenues	$ 21,301	$ 16,625	$ 52,804	$ 44,095
Costs and expenses:
Depreciation and amortization expense	777	741	2,308	2,152
Selling, general and administrative expenses	2,743	2,110	7,559	6,269
Operating income	1,047	1,019	928	240
Other income (expense):
Interest expense	(290)	(302)	(878)	(913)
Gain on debt extinguishment	0	0	1,964	0
Other income, net	85	83	298	264
Income (loss) before income taxes	842	800	2,312	(409)
Provision for income taxes	27	27	85	95
Net income (loss)	815	773	2,227	(504)
Less net loss attributable to non-controlling interest in subsidiaries	(168)	(8)	(214)	(37)
Net income (loss) attributable to Avalon Holdings Corporation common shareholders	$ 983	$ 781	$ 2,441	$ (467)
Basic net income (loss) per share (in dollars per share)	$ 0.25	$ 0.20	$ 0.63	$ (0.12)
Diluted net income (loss) per share (in dollars per share)	$ 0.25	$ 0.20	$ 0.62	$ (0.12)
Weighted average shares outstanding - basic (in shares)	3,899,431	3,875,431	3,899,431	3,875,431
Weighted average shares outstanding - diluted (in shares)	3,930,869	3,875,000	3,934,838	3,875,000
Waste Management Services [Member]
Net operating revenues:
Operating revenues	$ 11,444	$ 9,326	$ 31,279	$ 29,547
Costs and expenses:
Operating costs	9,385	7,393	25,055	23,473
Golf and Related Operations [Member]
Net operating revenues:
Operating revenues	9,857	7,299	21,525	14,548
Costs and expenses:
Operating costs	5,692	4,270	13,356	9,777
Golf and Related Operations [Member] | Food and Beverage [Member]
Net operating revenues:
Operating revenues	3,984	2,851	8,608	5,247
Costs and expenses:
Operating costs	1,657	1,092	3,598	2,184
Golf and Related Operations [Member] | Product and Service, Other [Member]
Net operating revenues:
Operating revenues	$ 5,873	$ 4,448	$ 12,917	$ 9,301