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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2018
Accounting Policies [Abstract] |
Schedule of Cumulative Effect Changes in Consolidated Balance Sheet | The cumulative effect of the changes made to our January 1, 2018 unaudited Consolidated Balance Sheet for the adoption of Topic 606 was as follows (in thousands):
|  | Balance at |  |  | Adjustment |  |  | Opening balance at |
|  | December 31, |  |  | Due to |  |  | January 1, |
|  | 2017 |  |  | Topic 606 |  |  | 2018 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Disposal/transportation accrual |  | $ | 2,071 |  |  | $ | (455 | ) |  | $ | 1,616 |
Deferred revenue |  |  | 4,311 |  |  |  | 772 |  |  |  | 5,083 |
Stockholders’ Equity: |  |  |  |  |  |  |  |  |  |  |  |
Accumulated deficit |  | $ | (77,893 | ) |  | $ | (317 | ) |  | $ | (78,210 | )
Schedule of Impact of Adoption of Topic 606 | In accordance with Topic 606 requirements, the disclosure of the impact of adoption of Topic 606 on our unaudited Consolidated Balance Sheets, Consolidated Statement of Operations, and Consolidated Statement of Comprehensive Income was as follows (in thousands):
Consolidated Balance Sheet |  | March 31, 2018 |
|  |  |  |  | Balances Before |  |  |  |
|  |  |  |  | Adoption of |  |  | Effect of Change |
|  | As Reported |  |  | Topic 606 |  |  | Higher/(Lower) |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Disposal/transportation accrual |  | $ | 1,478 |  |  | $ | 2,003 |  |  | $ | (525 | )
Deferred revenue |  |  | 4,620 |  |  |  | 5,507 |  |  |  | (887 | )
Stockholders’ Equity: |  |  |  |  |  |  |  |  |  |  |  |
Accumulated deficit |  | $ | (78,074 | ) |  | $ | (78,028 | ) |  | $ | (46 | )
Consolidated Statement of Operations |  | For the three months ended March 31, 2018 |
|  |  |  |  | Balances Before |  |  |  |
|  |  |  |  | Adoption of |  |  | Effect of Change |
|  | As Reported |  |  | Topic 606 |  |  | Higher/(Lower) |
Revenues |  | $ | 12,658 |  |  | $ | 12,773 |  |  | $ | (115 | )
Cost of goods sold |  |  | 9,337 |  |  |  | 9,406 |  |  |  | (69 | )
Income from continuing operations, net of taxes |  |  | 253 |  |  |  | 299 |  |  |  | (46 | )
Net income attributable to Perma-Fix Services, Inc. common stockholders |  |  | 136 |  |  |  | 182 |  |  |  | (46 | )
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | .02 |  |  | $ | .02 |  |  | $ | ― |
Net income per common shares |  | $ | .01 |  |  | $ | .01 |  |  | $ | ― |
Consolidated Statement of Comprehensive Income
|  | For the three months ended March 31, 2018 |
|  | As Reported |  |  | Balances Before Adoption of Topic 606 |  |  | Effect of Change Higher/(Lower) |
Net income |  | $ | 96 |  |  | $ | 142 |  |  | $ | (46 | )
Comprehensive income attributable to Perma-Fix Environmental Services, Inc. stockholders |  |  | 128 |  |  |  | 174 |  |  |  | (46 | )

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- Definition Tabular disclosure of the change in an accounting estimate, including a change that occurs in an interim period. If a change in accounting estimate affects several future periods (for example, a change in the service life of a depreciable asset) disclose the effect on income from continuing operations, net income (or other appropriate captions of changes in the applicable net assets or performance indicator), and any related per-share amounts of the current period. Disclosure of the effects of a change in an accounting estimate that occurs in the ordinary course of business (such as uncollectible accounts or inventory obsolescence) is not required, unless the effect is material. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e777-108305 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6368906&loc=d3e21843-107793 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22595-107794 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.10-01.(a)(5)) -URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699 + Details
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