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Operating Segments - Schedule of Segment Reporting Information (Details) (Parenthetical) - USD ($) | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Jun. 30, 2018 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Tangible asset impairment loss |  |  | $ 672,000 |  |  |  | $ 672,000 |
Tax benefit | 1,342,000 |  | (71,000) |  | 1,272,000 |  | (218,000) |
Tax Cuts and Jobs Act [Member] |  |  |  |  |  |  |  |
Tax benefit |  |  |  |  | (1,380,000) |  |  | $ (1,695,000)
M&EC Series B Preferred Stock [Member] |  |  |  |  |  |  |  |
Net gain |  |  |  | $ 1,596,000 |  |  |  |
Treatment [Member] |  |  |  |  |  |  |  |
Tax benefit | 1,342,000 | [1] | (70,000) |  | 1,277,000 | [1] | 215,000 |
Treatment [Member] | Tax Cuts and Jobs Act [Member] |  |  |  |  |  |  |  |
Tax benefit | $ 1,380,000 |  |  |  | 1,380,000 |  |  |
Treatment [Member] | M&EC Series B Preferred Stock [Member] |  |  |  |  |  |  |  |
Net gain |  |  |  |  | $ 1,596,000 |  |  |
Treatment [Member] | Materials and Energy Corporation [Member] |  |  |  |  |  |  |  |
Tangible asset impairment loss |  |  | $ 672,000 |  |  |  | $ 672,000 |
[1] | Amounts included a tax benefit recorded in the amount of approximately $1,380,000 during the third quarter. (see "Note 12 - Income Taxes" below).

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