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Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Details 3) - USD ($) | 6 Months Ended |
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Jun. 30, 2019 | Dec. 31, 2018
Income Tax Disclosure [Abstract] |  |
Gross UTB, beginning of period | $ 7,129,285 |
Gross UTB, Increase in unrecognized tax benefits taken in current period | 13,141 |
Gross UTB, end of period | 7,142,426 |
Surcharge, beginning of period |  |
Increase in unrecognized tax benefits taken in current period |  |
Surcharge, end of period |  |
Net UTB, beginning of period | 7,129,285 |
Net UTB, Increase in unrecognized tax benefits taken in current period | 13,141 |
Net UTB, end of period | $ 7,142,426 |

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