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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 |  |
--- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Jan. 02, 2018 | Dec. 31, 2017
Disposal/transportation accrual | $ 1,478 |  | $ 1,616 | $ 2,071
Deferred revenue | 4,620 |  | 5,083 | 4,311
Accumulated deficit | (78,074) |  | $ (78,210) | $ (77,893)
Revenues | 12,658 | $ 12,707 |  |
Cost of goods sold | 9,337 | 9,988 |  |
Income (loss) from continuing operations, net of taxes | 253 | (675) |  |
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ 136 | $ (727) |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Continuing operations | $ 0.02 | $ (0.05) |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Net income (loss) per common share | $ 0.01 | $ (0.06) |  |
Net income | $ 96 | $ (806) |  |
Comprehensive income attributable to Perma-Fix Environmental Services, Inc. stockholders | 128 | $ (715) |  |
Effect of Change Higher/(Lower) [Member] |  |  |  |
Disposal/transportation accrual | (525) |  |  |
Deferred revenue | (887) |  |  |
Accumulated deficit | (46) |  |  |
Revenues | (115) |  |  |
Cost of goods sold | (69) |  |  |
Income (loss) from continuing operations, net of taxes | (46) |  |  |
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ (46) |  |  |
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 | $ (46) |  |  |
Comprehensive income attributable to Perma-Fix Environmental Services, Inc. stockholders | (46) |  |  |
Balances Before Adoption of Topic 606 [Member] |  |  |  |
Disposal/transportation accrual | 2,003 |  |  |
Deferred revenue | 5,507 |  |  |
Accumulated deficit | (78,028) |  |  |
Revenues | 12,773 |  |  |
Cost of goods sold | 9,406 |  |  |
Income (loss) from continuing operations, net of taxes | 299 |  |  |
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ 182 |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Continuing operations | $ 0.02 |  |  |
Net income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic and diluted: Net income (loss) per common share | $ 0.01 |  |  |
Net income | $ 142 |  |  |
Comprehensive income attributable to Perma-Fix Environmental Services, Inc. stockholders | $ 174 |  |  |

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