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Note 2 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2014 |  |  | 2013 |
Net income (loss) of Avalon Holdings Corporation common shareholders |  | $ | (1,080 | ) |  | $ | 438 |
Shares used in computing basic income (loss) per share |  |  | 3,803 |  |  |  | 3,803 |
Potentially dilutive shares from stock options |  |  | - |  |  |  | 287 |
Shares used in computing dilutive income (loss) per share |  |  | 3,803 |  |  |  | 4,090 |
Income (loss) per share attributable to Avalon Holdings Corporation common shareholders |  |  |  |  |  |  |  |
Basic net income (loss) per share |  | $ | (0.28 | ) |  | $ | 0.12 |
Dilutive net income (loss) per share |  | $ | (0.28 | ) |  | $ | 0.11 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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