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Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Details 3) - USD ($)
6 Months Ended
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