Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net operating revenues:
Operating revenues	$ 18,425	$ 16,705	$ 33,033	$ 28,221
Costs and expenses:
Depreciation and amortization expense	618	726	1,218	1,455
Selling, general and administrative expenses	2,380	2,215	4,611	4,440
Operating income (loss)	569	596	51	(188)
Other income (expense):
Interest expense	(215)	(174)	(378)	(345)
Other income, net	148	113	216	173
Income (loss) before income taxes	502	535	(111)	(360)
Provision for income taxes	57	41	97	60
Net income (loss)	445	494	(208)	(420)
Less net loss attributable to non-controlling interest in subsidiary	(34)	(129)	(49)	(244)
Net income (loss) attributable to Avalon Holdings Corporation common shareholders	$ 479	$ 623	$ (159)	$ (176)
Income (loss) per share attributable to Avalon Holdings Corporation common shareholders:
Basic net income (loss) per share (in dollars per share)	$ 0.12	$ 0.16	$ (0.04)	$ (0.05)
Diluted net income (loss) per share (in dollars per share)	$ 0.12	$ 0.16	$ (0.04)	$ (0.05)
Weighted average shares outstanding - basic (in shares)	3,875,431	3,803,331	3,875,000	3,803,000
Weighted average shares outstanding - diluted (in shares)	3,893,956	3,817,781	3,875,000	3,803,000
Waste Management Services [Member]
Net operating revenues:
Operating revenues	$ 12,902	$ 11,510	$ 24,336	$ 19,968
Costs and expenses:
Operating costs	10,296	9,090	19,544	15,752
Golf and Related Operations [Member]
Net operating revenues:
Operating revenues	5,523	5,195	8,697	8,253
Costs and expenses:
Operating costs	3,563	3,146	6,095	5,363
Golf and Related Operations [Member] | Food and Beverage [Member]
Net operating revenues:
Operating revenues	2,358	2,206	3,440	3,246
Costs and expenses:
Operating costs	999	932	1,514	1,399
Golf and Related Operations [Member] | Product and Service, Other [Member]
Net operating revenues:
Operating revenues	$ 3,165	$ 2,989	$ 5,257	$ 5,007