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Discontinued Operations (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Discontinued Operations (Textual) |  |  |  |
Non-cash operating amounts for discontinued operations depreciation | $ 41,000 | $ 41,000 | $ 124,000 | $ 131,000
Capital expenditures |  |  | 0 | 29,000
Amortization |  | $ 49,000 |  | $ 159,000
Liability for loss on assets held for sale |  |  | 930,000 |
Impact of immaterial sales | $ 310,000 |  | $ 1,554,000 |

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