Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net operating revenues:
Operating revenues	$ 11,516	$ 10,702
Costs and expenses:
Depreciation and amortization expense	729	748
Selling, general and administrative expenses	2,225	2,002
Operating loss	(784)	(901)
Other income (expense):
Interest expense	(171)	(175)
Other income, net	60	77
Loss before income taxes	(895)	(999)
Provision for income taxes	19	20
Net loss	(914)	(1,019)
Less net loss attributable to non-controlling interest in subsidiary	(115)	(93)
Net loss attributable to Avalon Holdings Corporation common shareholders	$ (799)	$ (926)
Loss per share attributable to Avalon Holdings Corporation common shareholders:
Basic and diluted net loss per share (in dollars per share)	$ (0.21)	$ (0.24)
Weighted average shares outstanding - basic and diluted (in shares)	3,803	3,803
Waste Management Services [Member]
Net operating revenues:
Operating revenues	$ 8,458	$ 7,613
Costs and expenses:
Operating costs	6,662	5,894
Golf and Related Operations [Member]
Net operating revenues:
Operating revenues	3,058	3,089
Costs and expenses:
Operating costs	2,217	2,406
Golf and Related Operations [Member] | Food and Beverage [Member]
Net operating revenues:
Operating revenues	1,040	1,106
Costs and expenses:
Operating costs	467	553
Golf and Related Operations [Member] | Product and Service, Other [Member]
Net operating revenues:
Operating revenues	$ 2,018	$ 1,983