Property, Plant and Equipment - Depreciation (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
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| Property, Plant and Equipment [Abstract] | ||
| Depreciation and amortization expense | $ 341,862 | $ 402,336 |
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- Definition Depreciation, Depletion and Amortization, Property, Plant and Equipment No definition available.
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- References No definition available.
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