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Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | Schedule of Earnings Per Share, Basic and Diluted
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | (Unaudited) |  |  | (Unaudited) |
(Amounts in Thousands, Except for Per Share Amounts) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net income (loss) attributable to Perma-Fix Environmental Services,Inc., common stockholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations, net of taxes |  | $ | 3,121 |  |  | $ | 260 |  |  | $ | 2,083 |  |  | $ | 1,568 |
Net loss attributable to non-controlling interest |  |  | (29 | ) |  |  | (29 | ) |  |  | (59 | ) |  |  | (55 | )
Income from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders |  |  | 3,150 |  |  |  | 289 |  |  |  | 2,142 |  |  |  | 1,623 |
Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders |  |  | (127 | ) |  |  | (85 | ) |  |  | (242 | ) |  |  | (199 | )
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | 3,023 |  |  | $ | 204 |  |  | $ | 1,900 |  |  | $ | 1,424 |
Basic income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | .25 |  |  | $ | .02 |  |  | $ | .16 |  |  | $ | .12 |
Diluted income per share attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | .24 |  |  | $ | .02 |  |  | $ | .15 |  |  | $ | .12 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average shares outstanding |  |  | 12,180 |  |  |  | 12,135 |  |  |  | 12,173 |  |  |  | 12,129 |
Add: dilutive effect of stock options |  |  | 229 |  |  |  | 134 |  |  |  | 217 |  |  |  | 171 |
Add: dilutive effect of warrants |  |  | 31 |  |  |  | 17 |  |  |  | 30 |  |  |  | 20 |
Diluted weighted average shares outstanding |  |  | 12,440 |  |  |  | 12,286 |  |  |  | 12,420 |  |  |  | 12,320 |
Potential shares excluded from above weighted average share calcualtions due to their anti-dilutive effect include: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 12 |  |  |  | 38 |  |  |  | 36 |  |  |  | 38 |
Warrant |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Stock Options and Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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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