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Summary of Significant Accounting Policies - Schedule of Impact of Adoption of Topic 606 (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Jan. 02, 2018 | Dec. 31, 2017
Disposal/transportation accrual | $ 1,497 |  | $ 1,497 |  | $ 1,616 | $ 2,071
Deferred revenue | 5,872 |  | 5,872 |  | 5,083 | 4,311
Accumulated deficit | (77,245) |  | (77,245) |  | $ (78,210) | $ (77,893)
Revenues | 11,984 | $ 11,758 | 37,801 | $ 37,179 |  |
Cost of goods sold | 10,159 | 10,013 | 30,612 | 30,362 |  |
Income from continuing operations, net of taxes | 317 | (1,977) | 1,358 | (3,878) |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ 221 | $ (2,044) | $ 965 | $ (3,940) |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Continuing operations | $ 0.03 | $ (.16) | $ 0.12 | $ (.30) |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Net income (loss) per common share | $ 0.02 | $ (.17) | $ 0.08 | $ (.34) |  |
Net income | $ 186 | $ (2,122) | $ 863 | $ (4,314) |  |
Comprehensive income attributable to Perma-Fix Environmental Services, Inc. stockholders | 239 | $ (2,032) | 926 | $ (3,901) |  |
Effect of Change Higher/(Lower) [Member] |  |  |  |  |  |
Disposal/transportation accrual | (438) |  | (438) |  |  |
Deferred revenue | 718 |  | 718 |  |  |
Accumulated deficit | 37 |  | 37 |  |  |
Revenues | 26 |  | 55 |  |  |
Cost of goods sold | (4) |  | 18 |  |  |
Income from continuing operations, net of taxes | 30 |  | 37 |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ 30 |  | $ 37 |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Continuing operations |  |  |  |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Net income (loss) per common share |  |  |  |  |  |
Net income | $ 30 |  | $ 37 |  |  |
Comprehensive income attributable to Perma-Fix Environmental Services, Inc. stockholders | 30 |  | 37 |  |  |
Balances Before Adoption of Topic 606 [Member] |  |  |  |  |  |
Disposal/transportation accrual | 1,935 |  | 1,935 |  |  |
Deferred revenue | 5,154 |  | 5,154 |  |  |
Accumulated deficit | (77,282) |  | (77,282) |  |  |
Revenues | 11,958 |  | 37,746 |  |  |
Cost of goods sold | 10,163 |  | 30,594 |  |  |
Income from continuing operations, net of taxes | 287 |  | 1,321 |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ 191 |  | $ 928 |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Continuing operations | $ 0.03 |  | $ 0.12 |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Net income (loss) per common share | $ 0.02 |  | $ 0.08 |  |  |
Net income | $ 156 |  | $ 826 |  |  |
Comprehensive income attributable to Perma-Fix Environmental Services, Inc. stockholders | $ 209 |  | $ 889 |  |  |

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