Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Ken Smith (Details)

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Related Party Transactions - Ken Smith (Details) - Ken Smith - USD ($)
12 Months Ended
Mar. 20, 2015
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Related Party Transaction [Line Items]        
Payments for services and covenants (up to) $ 925,000      
Expense under consulting and non-compete agreement   $ 0 $ 100,000 $ 200,000
Consulting Services        
Related Party Transaction [Line Items]        
Consulting services and covenant period 3 years      
Covenants        
Related Party Transaction [Line Items]        
Consulting services and covenant period 2 years