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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Components of Basic and Diluted Earnings Per Share | The components of basic and diluted earnings per share were as follows:
|  | Three Months Ended March 31, |
|  | 2018 |  |  | 2017 |
Numerator: |  |  |  |  |  |  |  |
Net income attributable to AVD |  | $ | 4,655 |  |  | $ | 3,452 |
Denominator: |  |  |  |  |  |  |  |
Weighted averages shares outstanding-basic |  |  | 29,282 |  |  |  | 28,947 |
Dilutive effect of stock options and grants |  |  | 690 |  |  |  | 707 |
|  |  | 29,972 |  |  |  | 29,654 |

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