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Prepaid Expenses and Other Current Assets (Details) - USD ($)
Dec. 31, 2017
Jun. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid insurance $ 86,904 $ 169,416
Retainers and deposits 7,589 7,553
Prepaid federal and state income taxes 674,028 121,232
Other prepaid expenses 55,527 89,471
Prepaid expenses and other current assets $ 824,048 $ 387,672