Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Ken Smith (Details)

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Related Party Transactions - Ken Smith (Details) - Ken Smith - USD ($)
3 Months Ended 6 Months Ended
Mar. 20, 2015
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Related Party Transaction [Line Items]          
Payments for services and covenants (up to) $ 925,000        
Expense under consulting and non-compete agreement   $ 0 $ 50,000 $ 0 $ 100,000
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