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Income Taxes (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Income Tax Disclosure [Abstract]        
Income tax expense $ 1,518,190 $ (72,337) $ 3,768,463 $ 2,051,521
Income tax expense, effective rates (as a percent)     37.00% 35.00%