| Document And Entity Information | May 10, 2023 |
| Document Information [Line Items] | |
| Entity, Registrant Name | AVALON HOLDINGS CORPORATION |
| Document, Type | 8-K |
| Document, Period End Date | May 10, 2023 |
| Entity, Incorporation, State or Country Code | OH |
| Entity, File Number | 1-14105 |
| 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 |
| City Area Code | 330 |
| Local Phone Number | 856-8800 |
| Title of 12(b) Security | Class A Common Stock |
| Trading Symbol | AWX |
| Security Exchange Name | NYSE |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001061069 |
