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Consolidated Statements of Operations (Unaudited) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Income Statement [Abstract] |  |  |  |
Net revenues | $ 13,160,000 | $ 12,715,000 | $ 25,817,000 | $ 25,422,000
Cost of goods sold | 11,117,000 | 10,361,000 | 20,454,000 | 20,349,000
Gross profit | 2,043,000 | 2,354,000 | 5,363,000 | 5,073,000
Selling, general and administrative expenses | 2,640,000 | 2,833,000 | 5,420,000 | 5,684,000
Research and development | 219,000 | 619,000 | 451,000 | 1,008,000
Gain on disposal of property and equipment | (17,000) | (1,000) | (25,000) | (1,000)
Loss from operations | (799,000) | (1,097,000) | (483,000) | (1,618,000)
Other income (expense): |  |  |  |
Interest income | 81,000 | 36,000 | 130,000 | 71,000
Interest expense | (62,000) | (90,000) | (115,000) | (189,000)
Interest expense-financing fees | (9,000) | (9,000) | (18,000) | (18,000)
Net gain on exchange offer of Series B Preferred Stock of subsidiary (Note 13) | 1,596,000 |  | 1,596,000 |
Income (loss) from continuing operations before taxes | 807,000 | (1,160,000) | 1,110,000 | (1,754,000)
Income tax expense | 19,000 | 66,000 | 70,000 | 147,000
Income (loss) from continuing operations, net of taxes | 788,000 | (1,226,000) | 1,040,000 | (1,901,000)
Loss from discontinued operations (net of taxes of $0) | (206,000) | (160,000) | (363,000) | (291,000)
Net income (loss) | 582,000 | (1,386,000) | 677,000 | (2,192,000)
Net loss attributable to non-controlling interest | (28,000) | (217,000) | (68,000) | (296,000)
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders | $ 610,000 | $ (1,169,000) | $ 745,000 | $ (1,896,000)
Net income (loss) per common share attributable to Perma-Fix Environmental Services, Inc. stockholders - basic and diluted: |  |  |  |
Continuing operations | $ 0.07 | $ (0.09) | $ 0.09 | $ (.14)
Discontinued operations | (.02) | (.01) | (.03) | (.02)
Net income (loss) per common share | $ 0.05 | $ (0.10) | $ 0.06 | $ (0.16)
Number of common shares used in computing net income (loss) per share: |  |  |  |
Basic | 11,813,000 | 11,698,000 | 11,780,000 | 11,690,000
Diluted | 11,913,000 | 11,698,000 | 11,849,000 | 11,690,000

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