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Commitments (Details) - USD ($)
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2015
Commitments And Contingencies Disclosure [Abstract]      
Future minimum rental payments under the terms of the lease due in 2018 $ 206,665    
Future minimum rental payments under the terms of the lease due in 2019 210,273    
Future minimum rental payments under the terms of the lease due in 2020 122,659    
Rental Expenses $ 206,366 $ 202,083 $ 198,238