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Document And Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Mar. 04, 2016
Common Class B [Member]    
Entity Common Stock, Shares Outstanding (in shares)   612,231
Common Class A [Member]    
Entity Common Stock, Shares Outstanding (in shares)   3,191,100
Entity Registrant Name AVALON HOLDINGS CORP  
Entity Central Index Key 0001061069  
Trading Symbol awx  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Public Float   $ 5.6
Document Type 10-K  
Document Period End Date Dec. 31, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus FY  
Amendment Flag false