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Income (Loss) Per Share (Tables) | 3 Months Ended
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Mar. 31, 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 (loss) per share:
|  | Three Months Ended |
|  | (Unaudited) |
|  | March 31, |
(Amounts in Thousands, Except for Per Share Amounts) |  | 2020 |  |  | 2019 |
Net income (loss) attributable to Perma-Fix Environmental Services, Inc., common stockholders: |  |  |  |  |  |  |  |
Income (loss) income from continuing operations, net of taxes |  | $ | 1,308 |  |  | $ | (550 | )
Net loss attributable to non-controlling interest |  |  | (26 | ) |  |  | (30 | )
Income (loss) from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders |  |  | 1,334 |  |  |  | (520 | )
Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders |  |  | (114 | ) |  |  | (152 | )
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | 1,220 |  |  | $ | (672 | )
Basic income (loss) per share attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | .10 |  |  | $ | (.06 | )
Diluted income (loss) per share attributable to Perma-Fix Environmental Services, Inc. common stockholders |  | $ | .10 |  |  | $ | (.06 | )
Weighted average shares outstanding: |  |  |  |  |  |  |  |
Basic weighted average shares outstanding |  |  | 12,122 |  |  |  | 11,961 |
Add: dilutive effect of stock options |  |  | 201 |  |  |  | — |
Add: dilutive effect of warrants |  |  | 23 |  |  |  | — |
Diluted weighted average shares outstanding |  |  | 12,346 |  |  |  | 11,961 |
Potential shares excluded from above weighted average share calcualtions due to their anti-dilutive effect include: |  |  |  |  |  |  |  |
Stock options |  |  | 14 |  |  |  | 598 |
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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