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Segment and Geographic Information Segment and Geographic Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Segment Reporting Information [Line Items]    
Disclosure on geographic areas, revenues from foreign external customers attributed to entity's country of domicile $ 3,333,429 $ 4,062,421
Total 26,651,631 35,759,651
U.S. 401,698 1,626,683
united states [Member]    
Segment Reporting Information [Line Items]    
U.S. 21,698,526 27,534,522
U.S. 271,258 1,466,822
Foreign [Member]    
Segment Reporting Information [Line Items]    
U.S. 4,953,105 8,225,129
U.S. $ 130,440 $ 159,861