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Consolidated Statements of Operations (Unaudited) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Income Statement [Abstract] |  |
Revenues | $ 12,658,000 | $ 12,707,000
Cost of goods sold | 9,337,000 | 9,988,000
Gross profit | 3,321,000 | 2,719,000
Selling, general and administrative expenses | 2,780,000 | 2,850,000
Research and development | 232,000 | 389,000
Gain on disposal of property and equipment | (8,000) |
Income (loss) from operations | 317,000 | (520,000)
Other income (expense): |  |
Interest income | 49,000 | 35,000
Interest expense | (53,000) | (100,000)
Interest expense-financing fees | (9,000) | (9,000)
Income (loss) from continuing operations before taxes | 304,000 | (594,000)
Income tax expense | (51,000) | (81,000)
Income (loss) from continuing operations, net of taxes | 253,000 | (675,000)
Loss from discontinued operations (net of taxes of $0) | (157,000) | (131,000)
Net income (loss) | 96,000 | (806,000)
Net loss attributable to non-controlling interest | (40,000) | (79,000)
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ 136,000 | $ (727,000)
Net income (loss) per common share attributable to Perma-Fix Environmental Services, Inc. stockholders - basic and diluted: |  |
Continuing operations | $ 0.02 | $ (0.05)
Discontinued operations | (.01) | (.01)
Net income (loss) per common share | $ 0.01 | $ (0.06)
Number of common shares used in computing net income (loss) per share: |  |
Basic | 11,747,000 | 11,681,000
Diluted | 11,773,000 | 11,681,000

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