v3.26.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 05, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
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 NYSEAMER  
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 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false