Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2023	Aug. 11, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Transition Report	false
Entity File Number	1-14105
Entity Registrant Name	AVALON HOLDINGS CORPORATION
Entity Incorporation, State or Country Code	OH
Entity Tax Identification Number	34-1863889
Entity Address, Address Line One	One American Way
Entity Address, City or Town	Warren
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44484-5555
City Area Code	330
Local Phone Number	856-8800
Title of 12(b) Security	Class A Common Stock, $0.01 par value
Trading Symbol	AWX
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		3,287,647
Entity Central Index Key	0001061069
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Amendment Flag	false