Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net operating revenues:
Operating revenues	$ 16,625	$ 18,018	$ 44,095	$ 51,051
Costs and expenses:
Depreciation and amortization expense	741	630	2,152	1,848
Selling, general and administrative expenses	2,110	2,379	6,269	6,990
Operating income	1,019	345	240	396
Other income (expense):
Interest expense	(302)	(222)	(913)	(600)
Other income, net	83	41	264	257
Income (loss) before income taxes	800	164	(409)	53
Provision for income taxes	27	38	95	135
Net income (loss)	773	126	(504)	(82)
Less net loss attributable to non-controlling interest in subsidiary	(8)	(18)	(37)	(67)
Net income (loss) attributable to Avalon Holdings Corporation common shareholders	$ 781	$ 144	$ (467)	$ (15)
Income (loss) per share attributable to Avalon Holdings Corporation common shareholders:
Basic net income (loss) per share (in dollars per share)	$ 0.20	$ 0.04	$ (0.12)	$ 0
Diluted net income (loss) per share (in dollars per share)	$ 0.20	$ 0.04	$ (0.12)	$ 0
Weighted average shares outstanding - basic (in shares)	3,875,431	3,875,431	3,875,431	3,875,431
Weighted average shares outstanding - diluted (in shares)	3,875,000	3,893,000	3,875,000	3,875,000
Waste Management Services [Member]
Net operating revenues:
Operating revenues	$ 9,326	$ 11,572	$ 29,547	$ 35,908
Costs and expenses:
Operating costs	7,393	9,229	23,473	28,773
Golf and Related Operations [Member]
Net operating revenues:
Operating revenues	7,299	6,446	14,548	15,143
Costs and expenses:
Operating costs	4,270	4,266	9,777	10,361
Golf and Related Operations [Member] | Food and Beverage [Member]
Net operating revenues:
Operating revenues	2,851	2,587	5,247	6,027
Costs and expenses:
Operating costs	1,092	1,169	2,184	2,683
Golf and Related Operations [Member] | Product and Service, Other [Member]
Net operating revenues:
Operating revenues	$ 4,448	$ 3,859	$ 9,301	$ 9,116