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Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table reconciles the income (loss) and average share amounts used to compute both basic and diluted income per share:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(Amounts in Thousands, |  | (Unaudited) |  |  | (Unaudited) |
Except for Per Share Amounts) |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Net income attributable to Perma-Fix Environmental Services, Inc., common stockholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations, net of taxes |  | $ | 1,481 |  |  |  | 1,895 |  |  |  | 3,049 |  |  |  | 1,719 |
Net loss attributable to non-controlling interest |  |  | (32 | ) |  |  | (29 | ) |  |  | (87 | ) |  |  | (90 | )
Income from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | 1,513 |  |  | $ | 1,924 |  |  | $ | 3,136 |  |  | $ | 1,809 |
Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders |  |  | (67 | ) |  |  | (156 | ) |  |  | (266 | ) |  |  | (424 | )
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | 1,446 |  |  | $ | 1,768 |  |  | $ | 2,870 |  |  | $ | 1,385 |
Basic income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | .12 |  |  | $ | .15 |  |  | $ | .24 |  |  | $ | .12 |
Diluted income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | .12 |  |  | $ | .15 |  |  | $ | .23 |  |  | $ | .11 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average shares outstanding |  |  | 12,145 |  |  |  | 12,070 |  |  |  | 12,134 |  |  |  | 12,029 |
Add: dilutive effect of stock options |  |  | 201 |  |  |  | 47 |  |  |  | 181 |  |  |  | 29 |
Add: dilutive effect of warrant |  |  | 25 |  |  |  | 6 |  |  |  | 22 |  |  |  | 3 |
Diluted weighted average shares outstanding |  |  | 12,371 |  |  |  | 12,123 |  |  |  | 12,337 |  |  |  | 12,061 |
Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect include: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 30 |  |  |  | 159 |  |  |  | 42 |  |  |  | 165 |
Warrant |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |

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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=6371337&loc=d3e3550-109257 + Details
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