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Organization (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2015
Noncontrolling Interest [Abstract] |  |  |  |
Noncontrolling interest, ownership percentage by parent |  |  |  | 85.00%
Exercise of options and related tax benefit |  |  | $ 1,000,000 |
Net loss at subsidiary allocated to noncontrolling interests | $ 75,704 | $ 71,182 | $ 59,255 |
Cumberland Emerging Technologies, Inc (CET) |  |  |  |
Noncontrolling Interest [Abstract] |  |  |  |
Noncontrolling interest, ownership percentage by parent | 80.00% |  |  |
Cumberland Emerging Technologies, Inc (CET) | Harbin Gloria Pharmaceuticals Co |  |  |  |
Noncontrolling Interest [Abstract] |  |  |  |
Exercise of options and related tax benefit | $ 1,000,000.0 |  |  |

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