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Note 9 - Basic and Diluted Net Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2021 |  |  | 2020 |
Net income attributable to Avalon Holdings Corporation common shareholders |  | $ | 1,971 |  |  | $ | 14 |
Shares used in computing basic income per share |  |  | 3,899 |  |  |  | 3,876 |
Potentially dilutive shares from stock options |  |  | 34 |  |  |  | 2 |
Shares used in computing diluted income per share |  |  | 3,933 |  |  |  | 3,878 |
Income per share attributable to Avalon Holdings Corporation common shareholders |  |  |  |  |  |  |  |
Basic net income per share |  | $ | 0.51 |  |  | $ | 0.00 |
Diluted net income per share |  | $ | 0.50 |  |  | $ | 0.00 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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