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Earnings Per Share. (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Schedule of computation of basic and diluted earnings per share |
|  | Three Months Ended March 31, 2021 |
|  | Income Numerator |  |  | Shares Denominator |  |  | Per-Share Amount |
Net income attributed to Alto Ingredients, Inc. |  | $ | 4,678 |  |  |  |  |  |  |  |  |
Less: Preferred stock dividends |  |  | (312 | ) |  |  |  |  |  |  |  |
Basic income per share: |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 4,366 |  |  |  | 70,351 |  |  | $ | 0.06 |
Add: Dilutive securities |  |  | — |  |  |  | 2,113 |  |  |  |  |
Diluted income per share: |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 4,366 |  |  |  | 72,464 |  |  | $ | 0.06 |
|  | Three Months Ended March 31, 2020 |
|  | Loss Numerator |  |  | Shares Denominator |  |  | Per-Share Amount |
Net loss attributed to Alto Ingredients, Inc. |  | $ | (25,100 | ) |  |  |  |  |  |  |  |
Less: Preferred stock dividends |  |  | (315 | ) |  |  |  |  |  |  |  |
Basic and diluted loss per share: |  |  |  |  |  |  |  |  |  |  |  |
Net loss available to common stockholders |  | $ | (25,415 | ) |  |  | 53,828 |  |  | $ | (0.47 | )

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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