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Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Income tax expense (benefit) $ 68,749 $ (53,707) $ 75,419 $ (133,634)